Convert str_to_unicode to str function call.

IPython/core/logger.py

@@ -18,7 +18,6 b' import io'
 import os
 import time
 
-from IPython.utils.py3compat import str_to_unicode
 
 #****************************************************************************
 # FIXME: This class isn't a mixin anymore, but it still needs attributes from
@@ -193,7 +192,7 b' which already exists. But you must first start the logging process with'
             write = self.logfile.write
             if kind=='input':
                 if self.timestamp:
-                    write(str_to_unicode(time.strftime('# %a, %d %b %Y %H:%M:%S\n',
+                    write(str(time.strftime('# %a, %d %b %Y %H:%M:%S\n',
                                         time.localtime())))
                 write(data)
             elif kind=='output' and self.log_output:

IPython/core/magics/logging.py

@@ -19,7 +19,6 b' import sys'
 # Our own packages
 from IPython.core.magic import Magics, magics_class, line_magic
 from warnings import warn
-from IPython.utils.py3compat import str_to_unicode
 
 #-----------------------------------------------------------------------------
 # Magic implementation classes
@@ -138,7 +137,7 b' class LoggingMagics(Magics):'
                 for n in range(1,len(input_hist)-1):
                     log_write(input_hist[n].rstrip() + u'\n')
                     if n in output_hist:
-                        log_write(str_to_unicode(repr(output_hist[n])),'output')
+                        log_write(str(repr(output_hist[n])),'output')
             else:
                 logger.log_write(u'\n'.join(input_hist[1:]))
                 logger.log_write(u'\n')

IPython/core/tests/test_profile.py

@@ -121,7 +121,7 b' def test_list_profiles_in():'
     # No need to remove these directories and files, as they will get nuked in
     # the module-level teardown.
     td = tempfile.mkdtemp(dir=TMP_TEST_DIR)
-    td = py3compat.str_to_unicode(td)
+    td = str(td)
     for name in ('profile_foo', 'profile_hello', 'not_a_profile'):
         os.mkdir(os.path.join(td, name))
     if dec.unicode_paths:

IPython/terminal/magics.py

@@ -26,7 +26,7 b' def get_pasted_lines(sentinel, l_input=py3compat.input, quiet=False):'
         prompt = ""
     while True:
         try:
-            l = py3compat.str_to_unicode(l_input(prompt))
+            l = str(l_input(prompt))
             if l == sentinel:
                 return
             else: