tuning example library

Author: spooning

example/examplelibrary.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 
 import os
-import sys
 
 
 class ExampleRemoteLibrary:
@@ -10,19 +9,20 @@ class ExampleRemoteLibrary:
     This documentation is visible in docs generated by `Libdoc`.
     """
 
-    def __init__(self):
-        """Also this doc should be in shown in library doc."""
-
     def count_items_in_directory(self, path):
         """Returns the number of items in the directory specified by `path`."""
         return len([i for i in os.listdir(path) if not i.startswith('.')])
 
     def strings_should_be_equal(self, str1, str2):
         print "Comparing '%s' to '%s'." % (str1, str2)
+        if not (isinstance(str1, basestring) and isinstance(str2, basestring)):
+            raise AssertionError("Given strings are not strings.")
         if str1 != str2:
             raise AssertionError("Given strings are not equal.")
 
 
 if __name__ == '__main__':
+    import sys
     from robotremoteserver import RobotRemoteServer
+
     RobotRemoteServer(ExampleRemoteLibrary(), *sys.argv[1:])