Hardening suggestions for codemodder-python / dep-hashes (#274)

Use Assignment Expression (Walrus) In Conditional

Co-authored-by: pixeebot[bot] <[email protected]>

src/codemodder/scripts/get_hashes.py

@@ -35,8 +35,7 @@ def main():
             continue
 
         package_name, version = arg.split("==", 1)
-        hashes = get_package_hashes(package_name, version)
-        if hashes:
+        if hashes := get_package_hashes(package_name, version):
             print(f"SHA256 hashes for {package_name}=={version}:")
             for hash_value in hashes:
                 print(hash_value)