Fix unit tests and example

functools.partialmethod() was added in Python 3.4, so it can't be used in Python 2.7.
- Modified the code to skip trying to use it for Python 2.7
- Skip the two unit tests which test its usage on Python 2.7

1 files changed, 5 insertions, 2 deletions

diff --git a/examples/subcommands.py b/examples/subcommands.py
index bc276dff..fa99f6b4 100755
--- a/examples/subcommands.py
+++ b/examples/subcommands.py
@@ -8,6 +8,7 @@ and provides separate contextual help.
 """
 import argparse
 import functools
+import sys
 
 import cmd2
 from cmd2 import with_argparser, index_based_complete
@@ -69,8 +70,10 @@ class SubcommandsExample(cmd2.Cmd):
             # No subcommand was provided, so as called
             self.do_help('base')
 
-    # This makes sure correct tab completion functions are called based on the selected subcommand
-    complete_base = functools.partialmethod(cmd2.Cmd.cmd_with_subs_completer, base='base')
+    # functools.partialmethod was added in Python 3.4
+    if sys.version_info >= (3, 4):
+        # This makes sure correct tab completion functions are called based on the selected subcommand
+        complete_base = functools.partialmethod(cmd2.Cmd.cmd_with_subs_completer, base='base')
 
 
 if __name__ == '__main__':