Append stats even if last repo inspected had no matching commits

gitinspector/changes.py

@@ -247,7 +247,10 @@ class Changes(object):
 			return other;
 
 	def get_commits(self):
-		return self.commits
+		try:
+			return self.commits
+		except AttributeError:
+			return []
 
 	@staticmethod
 	def modify_authorinfo(authors, key, commit):

gitinspector/gitinspector.py

@@ -82,7 +82,7 @@ class Runner(object):
 		format.output_header(repos)
 		outputable.output(ChangesOutput(summed_changes))
 
-		if changes.get_commits():
+		if summed_changes.get_commits():
 			outputable.output(BlameOutput(summed_changes, summed_blames))
 
 			if self.timeline: