Fix TypeError when using Python 3

The error shows up on :Gundo and looks like this: Error detected while processing function gundo#GundoShow[1]..<SNR>116_GundoShow[4]..<SNR>116_GundoOpen[31]..<SNR>116_GundoRenderPreview: line 2: Traceback (most recent call last): File "<string>", line 1, in <module> File "/home/mg/.vim/bundle/Gundo/autoload/gundo.py", line 474, in GundoRenderPreview _output_preview_text(_generate_preview_diff(current, node_before, node_after)) File "/home/mg/.vim/bundle/Gundo/autoload/gundo.py", line 382, in _generate_preview_diff before_time, after_time)) File "/usr/lib/python3.5/difflib.py", line 1177, in unified_diff _check_types(a, b, fromfile, tofile, fromfiledate, tofiledate, lineterm) File "/usr/lib/python3.5/difflib.py", line 1312, in _check_types raise TypeError('all arguments must be str, not: %r' % (arg,)) TypeError: all arguments must be str, not: 46
sjl · Nov 24, 2016 · e5dc5f2 · e5dc5f2
1 parent e7fe410
commit e5dc5f2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/autoload/gundo.py b/autoload/gundo.py
@@ -378,7 +378,7 @@ def _generate_preview_diff(current, node_before, node_after):
     _undo_to(current)
 
     return list(difflib.unified_diff(before_lines, after_lines,
-                                     before_name, after_name,
+                                     str(before_name), str(after_name),
                                      before_time, after_time))
 
 def _generate_change_preview_diff(current, node_before, node_after):
@@ -398,7 +398,7 @@ def _generate_change_preview_diff(current, node_before, node_after):
     _undo_to(current)
 
     return list(difflib.unified_diff(before_lines, after_lines,
-                                     before_name, after_name,
+                                     str(before_name), str(after_name),
                                      before_time, after_time))
 
 def GundoRenderGraph():