Fix errors when scanning metadata files.

Signed-off-by: Vasily Pozdnyakov <vasily.pozdnyakov@tngtech.com>

Author: vasily-pozdnyakov

src/packagedcode/build.py

@@ -424,7 +424,7 @@ def parse(cls, location, package_only=True):
     @classmethod
     def assign_package_to_resources(cls, package, resource, codebase, package_adder):
         models.DatafileHandler.assign_package_to_parent_tree(
-            package_=package,
+            package=package,
             resource=resource,
             codebase=codebase,
             package_adder=package_adder,