library/qb_facts.py in qb-0.1.39 vs library/qb_facts.py in qb-0.1.40

@@ -15,15 +15,15 @@
     else:
         # this shouldn't really happen, but i don't want to stop the show...
         return paths[0]
 
 def is_gem(dir):
-    return bool(gemspec_path(dir))
+    return dir and bool(gemspec_path(dir))
 
 def main():
     module = AnsibleModule(
         argument_spec = dict(
-            qb_dir = dict(require = True, type = 'path'),
+            qb_dir = dict(require = False, type = 'path'),
         ),
         supports_check_mode = False,
     )
     
     qb_dir = module.params['qb_dir']
\ No newline at end of file