Merge pull request #364 from donkopotamus/fix-enable-vt-processing-2.7

Support python-2.7 in enable_vt_processing
diff --git a/colorama/winterm.py b/colorama/winterm.py
index aad867e..d58b52b 100644
--- a/colorama/winterm.py
+++ b/colorama/winterm.py
@@ -190,6 +190,6 @@
         mode = win32.GetConsoleMode(handle)
         if mode & win32.ENABLE_VIRTUAL_TERMINAL_PROCESSING:
             return True
-    # Can get TypeError in testsuite where 'fd' is a Mock()
-    except (OSError, TypeError):
+    # Can get TypeError in testsuite where 'fd' is a Mock() and IOError in python2.7
+    except (IOError, OSError, TypeError):
         return False