Add positional arguments to format strings for Python 2.6 compatibility.

For 2.7 and later, the positional arguments can be omitted, but
Richard Höchenberger (and others?) wants to run pycomedi on 2.6.

diff --git a/pycomedi/__init__.py b/pycomedi/__init__.py
index cd118e13c84d17d8e74cd78f8c57f002f8483573..4b120759c57b7750e3feceebbfc739848c5da0dd 100644 (file)
--- a/pycomedi/__init__.py
+++ b/pycomedi/__init__.py
@@ -42,8 +42,8 @@ class PyComediError (Exception):
         self.comedi_msg = comedi_msg
         self.error_msg = error_msg
         if error_msg:
-            msg = '{} ({}): {} ({})'.format(
+            msg = '{0} ({1}): {2} ({3})'.format(
                 function_name, error_msg, comedi_msg, ret)
         else:
-            msg = '{}: {} ({})'.format(function_name, comedi_msg, ret)
+            msg = '{0}: {1} ({2})'.format(function_name, comedi_msg, ret)
         super(PyComediError, self).__init__(msg)