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1 | """Tests for pylab tools module. |
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1 | """Tests for pylab tools module. | |
2 | """ |
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2 | """ | |
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 | # Copyright (c) 2011, the IPython Development Team. |
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4 | # Copyright (c) 2011, the IPython Development Team. | |
5 | # |
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5 | # | |
6 | # Distributed under the terms of the Modified BSD License. |
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6 | # Distributed under the terms of the Modified BSD License. | |
7 | # |
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7 | # | |
8 | # The full license is in the file COPYING.txt, distributed with this software. |
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8 | # The full license is in the file COPYING.txt, distributed with this software. | |
9 | #----------------------------------------------------------------------------- |
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9 | #----------------------------------------------------------------------------- | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Imports |
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12 | # Imports | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 | from __future__ import print_function |
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14 | from __future__ import print_function | |
15 |
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15 | |||
16 | # Stdlib imports |
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16 | # Stdlib imports | |
17 |
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17 | |||
18 | # Third-party imports |
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18 | # Third-party imports | |
19 | import matplotlib; matplotlib.use('Agg') |
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19 | import matplotlib; matplotlib.use('Agg') | |
20 | import nose.tools as nt |
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20 | import nose.tools as nt | |
21 |
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21 | |||
22 | from matplotlib import pyplot as plt |
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22 | from matplotlib import pyplot as plt | |
23 | import numpy as np |
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23 | import numpy as np | |
24 |
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24 | |||
25 | # Our own imports |
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25 | # Our own imports | |
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26 | from IPython.core.interactiveshell import InteractiveShell | |||
26 | from IPython.testing import decorators as dec |
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27 | from IPython.testing import decorators as dec | |
27 | from .. import pylabtools as pt |
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28 | from .. import pylabtools as pt | |
28 |
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29 | |||
29 | #----------------------------------------------------------------------------- |
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30 | #----------------------------------------------------------------------------- | |
30 | # Globals and constants |
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31 | # Globals and constants | |
31 | #----------------------------------------------------------------------------- |
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32 | #----------------------------------------------------------------------------- | |
32 |
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33 | |||
33 | #----------------------------------------------------------------------------- |
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34 | #----------------------------------------------------------------------------- | |
34 | # Local utilities |
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35 | # Local utilities | |
35 | #----------------------------------------------------------------------------- |
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36 | #----------------------------------------------------------------------------- | |
36 |
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37 | |||
37 | #----------------------------------------------------------------------------- |
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38 | #----------------------------------------------------------------------------- | |
38 | # Classes and functions |
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39 | # Classes and functions | |
39 | #----------------------------------------------------------------------------- |
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40 | #----------------------------------------------------------------------------- | |
40 |
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41 | |||
41 | @dec.parametric |
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42 | @dec.parametric | |
42 | def test_figure_to_svg(): |
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43 | def test_figure_to_svg(): | |
43 | # simple empty-figure test |
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44 | # simple empty-figure test | |
44 | fig = plt.figure() |
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45 | fig = plt.figure() | |
45 | yield nt.assert_equal(pt.print_figure(fig, 'svg'), None) |
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46 | yield nt.assert_equal(pt.print_figure(fig, 'svg'), None) | |
46 |
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47 | |||
47 | plt.close('all') |
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48 | plt.close('all') | |
48 |
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49 | |||
49 | # simple check for at least svg-looking output |
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50 | # simple check for at least svg-looking output | |
50 | fig = plt.figure() |
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51 | fig = plt.figure() | |
51 | ax = fig.add_subplot(1,1,1) |
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52 | ax = fig.add_subplot(1,1,1) | |
52 | ax.plot([1,2,3]) |
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53 | ax.plot([1,2,3]) | |
53 | plt.draw() |
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54 | plt.draw() | |
54 | svg = pt.print_figure(fig, 'svg')[:100].lower() |
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55 | svg = pt.print_figure(fig, 'svg')[:100].lower() | |
55 | yield nt.assert_true('doctype svg' in svg) |
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56 | yield nt.assert_true('doctype svg' in svg) | |
56 |
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57 | |||
57 |
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58 | |||
58 | def test_import_pylab(): |
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59 | def test_import_pylab(): | |
59 | ip = get_ipython() |
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60 | ip = get_ipython() | |
60 | ns = {} |
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61 | ns = {} | |
61 | pt.import_pylab(ns, import_all=False) |
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62 | pt.import_pylab(ns, import_all=False) | |
62 | nt.assert_true('plt' in ns) |
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63 | nt.assert_true('plt' in ns) | |
63 | nt.assert_equal(ns['np'], np) |
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64 | nt.assert_equal(ns['np'], np) | |
64 |
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65 | |||
65 |
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||||
66 | class TestPylabSwitch(object): |
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66 | class TestPylabSwitch(object): | |
67 |
class Shell( |
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67 | class Shell(InteractiveShell): | |
68 | pylab_gui_select = None |
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68 | def enable_gui(self, gui): | |
69 |
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69 | pass | ||
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70 | ||||
70 | def setup(self): |
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71 | def setup(self): | |
71 | import matplotlib |
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72 | import matplotlib | |
72 | def act_mpl(backend): |
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73 | def act_mpl(backend): | |
73 | matplotlib.rcParams['backend'] = backend |
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74 | matplotlib.rcParams['backend'] = backend | |
74 |
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75 | |||
75 | # Save rcParams since they get modified |
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76 | # Save rcParams since they get modified | |
76 | self._saved_rcParams = matplotlib.rcParams |
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77 | self._saved_rcParams = matplotlib.rcParams | |
77 | matplotlib.rcParams = dict(backend='Qt4Agg') |
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78 | matplotlib.rcParams = dict(backend='Qt4Agg') | |
78 |
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79 | |||
79 | # Mock out functions |
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80 | # Mock out functions | |
80 | self._save_am = pt.activate_matplotlib |
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81 | self._save_am = pt.activate_matplotlib | |
81 | pt.activate_matplotlib = act_mpl |
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82 | pt.activate_matplotlib = act_mpl | |
82 | self._save_ip = pt.import_pylab |
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83 | self._save_ip = pt.import_pylab | |
83 | pt.import_pylab = lambda *a,**kw:None |
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84 | pt.import_pylab = lambda *a,**kw:None | |
84 | self._save_cis = pt.configure_inline_support |
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85 | self._save_cis = pt.configure_inline_support | |
85 | pt.configure_inline_support = lambda *a,**kw:None |
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86 | pt.configure_inline_support = lambda *a,**kw:None | |
86 |
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87 | |||
87 | def teardown(self): |
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88 | def teardown(self): | |
88 | pt.activate_matplotlib = self._save_am |
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89 | pt.activate_matplotlib = self._save_am | |
89 | pt.import_pylab = self._save_ip |
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90 | pt.import_pylab = self._save_ip | |
90 | pt.configure_inline_support = self._save_cis |
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91 | pt.configure_inline_support = self._save_cis | |
91 | import matplotlib |
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92 | import matplotlib | |
92 | matplotlib.rcParams = self._saved_rcParams |
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93 | matplotlib.rcParams = self._saved_rcParams | |
93 |
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94 | |||
94 | def test_qt(self): |
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95 | def test_qt(self): | |
95 | s = self.Shell() |
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96 | s = self.Shell() | |
96 | gui = pt.pylab_activate(dict(), None, False, s) |
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97 | gui, backend = s.enable_matplotlib(None) | |
97 | nt.assert_equal(gui, 'qt') |
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98 | nt.assert_equal(gui, 'qt') | |
98 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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99 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
99 |
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100 | |||
100 | gui = pt.pylab_activate(dict(), 'inline', False, s) |
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101 | gui, backend = s.enable_matplotlib('inline') | |
101 | nt.assert_equal(gui, 'inline') |
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102 | nt.assert_equal(gui, 'inline') | |
102 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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103 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
103 |
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104 | |||
104 | gui = pt.pylab_activate(dict(), 'qt', False, s) |
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105 | gui, backend = s.enable_matplotlib('qt') | |
105 | nt.assert_equal(gui, 'qt') |
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106 | nt.assert_equal(gui, 'qt') | |
106 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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107 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
107 |
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108 | |||
108 | gui = pt.pylab_activate(dict(), 'inline', False, s) |
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109 | gui, backend = s.enable_matplotlib('inline') | |
109 | nt.assert_equal(gui, 'inline') |
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110 | nt.assert_equal(gui, 'inline') | |
110 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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111 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
111 |
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112 | |||
112 | gui = pt.pylab_activate(dict(), None, False, s) |
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113 | gui, backend = s.enable_matplotlib() | |
113 | nt.assert_equal(gui, 'qt') |
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114 | nt.assert_equal(gui, 'qt') | |
114 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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115 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
115 |
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116 | |||
116 | def test_inline(self): |
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117 | def test_inline(self): | |
117 | s = self.Shell() |
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118 | s = self.Shell() | |
118 | gui = pt.pylab_activate(dict(), 'inline', False, s) |
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119 | gui, backend = s.enable_matplotlib('inline') | |
119 | nt.assert_equal(gui, 'inline') |
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120 | nt.assert_equal(gui, 'inline') | |
120 | nt.assert_equal(s.pylab_gui_select, None) |
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121 | nt.assert_equal(s.pylab_gui_select, None) | |
121 |
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122 | |||
122 | gui = pt.pylab_activate(dict(), 'inline', False, s) |
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123 | gui, backend = s.enable_matplotlib('inline') | |
123 | nt.assert_equal(gui, 'inline') |
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124 | nt.assert_equal(gui, 'inline') | |
124 | nt.assert_equal(s.pylab_gui_select, None) |
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125 | nt.assert_equal(s.pylab_gui_select, None) | |
125 |
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126 | |||
126 | gui = pt.pylab_activate(dict(), 'qt', False, s) |
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127 | gui, backend = s.enable_matplotlib('qt') | |
127 | nt.assert_equal(gui, 'qt') |
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128 | nt.assert_equal(gui, 'qt') | |
128 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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129 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
129 |
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130 | |||
130 | def test_qt_gtk(self): |
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131 | def test_qt_gtk(self): | |
131 | s = self.Shell() |
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132 | s = self.Shell() | |
132 | gui = pt.pylab_activate(dict(), 'qt', False, s) |
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133 | gui, backend = s.enable_matplotlib('qt') | |
133 | nt.assert_equal(gui, 'qt') |
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134 | nt.assert_equal(gui, 'qt') | |
134 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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135 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
135 |
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136 | |||
136 | gui = pt.pylab_activate(dict(), 'gtk', False, s) |
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137 | gui, backend = s.enable_matplotlib('gtk') | |
137 | nt.assert_equal(gui, 'qt') |
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138 | nt.assert_equal(gui, 'qt') | |
138 | nt.assert_equal(s.pylab_gui_select, 'qt') |
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139 | nt.assert_equal(s.pylab_gui_select, 'qt') | |
139 |
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140 |
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