Fix some more tests for Python 3.

IPython/extensions/autoreload.py

@@ -103,6 +103,10 b' skip_doctest = True'
 
 import time, os, threading, sys, types, imp, inspect, traceback, atexit
 import weakref
+try:
+    reload
+except NameError:
+    from imp import reload
 
 def _get_compiled_ext():
     """Official way to get the extension of compiled files (.pyc or .pyo)"""

IPython/utils/process.py

@@ -66,7 +66,7 b' def find_cmd(cmd):'
     except OSError:
         raise FindCmdError('command could not be found: %s' % cmd)
     # which returns empty if not found
-    if path == b'':
+    if path == '':
         raise FindCmdError('command could not be found: %s' % cmd)
     return os.path.abspath(path)
 

IPython/utils/tests/test_process.py

@@ -37,7 +37,7 b' def test_find_cmd_python():'
 def test_find_cmd_ls():
     """Make sure we can find the full path to ls."""
     path = find_cmd('ls')
-    nt.assert_true(path.endswith(b'ls'))
+    nt.assert_true(path.endswith('ls'))
 
     
 def has_pywin32():