bug fix

Author: capocchi

devsimpy/Components.py

@@ -153,6 +153,9 @@ class DSPComponent:
 	def Load(filename, label, canvas):
 		""" Load component from filename.
 		"""
+
+		assert(filename.endswith('.dsp'))
+
 		from Container import Diagram
 
 		# its possible to use the orignal copy of the droped diagram

devsimpy/InteractionYAML.py

@@ -6,7 +6,7 @@
 import re
 import sys
 
-import datetime
+from datetime import datetime
 
 def to_Python(val):
     if val in ('true', 'True'):