Updated dockerfile.py

Author: VarshaUN

src/packagedcode/dockerfile.py

@@ -26,7 +26,7 @@ def is_datafile(cls, path):
         for pattern in patterns: 
             if fnmatch.fnmatch(path, pattern): 
                 return True 
-            return False
+        return False
 
     @classmethod
     def parse(cls, location, package_only=False):