diff --git a/src/packageurl/utils.py b/src/packageurl/utils.py
index 6cef428..74c746f 100644
--- a/src/packageurl/utils.py
+++ b/src/packageurl/utils.py
@@ -41,7 +41,7 @@ def get_golang_purl(go_package: str):
     # github.com/gorilla/mux v1.8.1
     # https://github.com/moby/moby/blob/6c10086976d07d4746e03dcfd188972a2f07e1c9/vendor.mod#L51
     if " " in go_package:
-        go_package , _ , version = go_package.rpartition(" ")
+        go_package, _, version = go_package.rpartition(" ")
     parts = go_package.split("/")
     if not parts:
         return
diff --git a/tests/contrib/test_utils.py b/tests/contrib/test_utils.py
index 6baac9e..404dd20 100644
--- a/tests/contrib/test_utils.py
+++ b/tests/contrib/test_utils.py
@@ -66,7 +66,7 @@ def test_get_golang_purl():
     )
     assert golang_purl_1.name == "v3"
     assert golang_purl_1.namespace == "github.com/envoyproxy/go-control-plane/envoy/config/listener"
-    golang_purl_2 = get_golang_purl(go_package="github.com/grpc-ecosystem/go-grpc-middleware v1.3.0")
-    assert "pkg:golang/github.com/grpc-ecosystem/go-grpc-middleware@v1.3.0" == str(
-        golang_purl_2
+    golang_purl_2 = get_golang_purl(
+        go_package="github.com/grpc-ecosystem/go-grpc-middleware v1.3.0"
     )
+    assert "pkg:golang/github.com/grpc-ecosystem/go-grpc-middleware@v1.3.0" == str(golang_purl_2)