diff --git a/module_build_service/builder/MockModuleBuilder.py b/module_build_service/builder/MockModuleBuilder.py
index 70e3e955..0f280012 100644
--- a/module_build_service/builder/MockModuleBuilder.py
+++ b/module_build_service/builder/MockModuleBuilder.py
@@ -228,10 +228,10 @@ def import_builds_from_local_dnf_repos(platform_id=None):
     if not platform_id:
         # Parse the /etc/os-release to find out the local platform:stream.
         with open("/etc/os-release", "r") as fd:
-            for l in fd.readlines():
-                if not l.startswith("PLATFORM_ID"):
+            for line in fd.readlines():
+                if not line.startswith("PLATFORM_ID"):
                     continue
-                platform_id = l.split("=")[1].strip("\"' \n")
+                platform_id = line.split("=")[1].strip("\"' \n")
     if not platform_id:
         raise ValueError("Cannot get PLATFORM_ID from /etc/os-release.")
 
diff --git a/module_build_service/common/config.py b/module_build_service/common/config.py
index 3255f1b3..2ec23059 100644
--- a/module_build_service/common/config.py
+++ b/module_build_service/common/config.py
@@ -871,14 +871,14 @@ class Config(object):
             )
         self._messaging = s
 
-    def _setifok_amq_recv_addresses(self, l):
-        assert isinstance(l, list) or isinstance(l, tuple)
-        self._amq_recv_addresses = list(l)
+    def _setifok_amq_recv_addresses(self, values):
+        assert isinstance(values, list) or isinstance(values, tuple)
+        self._amq_recv_addresses = list(values)
 
-    def _setifok_scmurls(self, l):
-        if not isinstance(l, list):
+    def _setifok_scmurls(self, values):
+        if not isinstance(values, list):
             raise TypeError("scmurls needs to be a list.")
-        self._scmurls = [str(x) for x in l]
+        self._scmurls = [str(x) for x in values]
 
     def _setifok_num_concurrent_builds(self, i):
         if not isinstance(i, int):
diff --git a/module_build_service/scheduler/reuse.py b/module_build_service/scheduler/reuse.py
index 57305196..0af9f612 100644
--- a/module_build_service/scheduler/reuse.py
+++ b/module_build_service/scheduler/reuse.py
@@ -438,7 +438,7 @@ def get_reusable_component(
     # check that arches have not changed
     pkg = mmd.get_rpm_component(component_name)
     if set(pkg.get_arches()) != set(old_mmd.get_rpm_component(component_name).get_arches()):
-        message = ("Cannot reuse the component because its architectures"
+        message = ("Cannot reuse the component {0} because its architectures"
                    " have changed since the compatible module build").format(component_name)
         new_module_build_component.log_message(db_session, message)
         return None
diff --git a/module_build_service/web/mse.py b/module_build_service/web/mse.py
index dd671199..8d987d53 100644
--- a/module_build_service/web/mse.py
+++ b/module_build_service/web/mse.py
@@ -497,8 +497,7 @@ def _validate_stream_name_for_static_context(module, stream, context, dep_type):
     if stream_type is not str:
         raise ValidationError(("The module '{module}' in '{dep_type}' of the '{context}' "
                                "static context is of type '{stream_type}' should be "
-                               "'str' type.").format(stream=stream,
-                                                     module=module,
+                               "'str' type.").format(module=module,
                                                      dep_type=dep_type,
                                                      context=context,
                                                      stream_type=stream_type))
diff --git a/openshift/integration/koji/pipelines/c3i-role-vars.yml b/openshift/integration/koji/pipelines/c3i-role-vars.yml
index 54a27673..bbfca70e 100644
--- a/openshift/integration/koji/pipelines/c3i-role-vars.yml
+++ b/openshift/integration/koji/pipelines/c3i-role-vars.yml
@@ -22,7 +22,7 @@ c3i_build_custom_parameters:
   - name: MBS_FRONTEND_IMAGESTREAM_NAME
     value: mbs-frontend
   - name: MBS_SPEC_FILE
-    value: https://src.fedoraproject.org/rpms/module-build-service/raw/master/f/module-build-service.spec
+    value: https://src.fedoraproject.org/rpms/module-build-service/raw/main/f/module-build-service.spec
   - name: EXTRA_REPOS
     value: https://copr.fedorainfracloud.org/coprs/mikeb/mbs-messaging-umb/repo/fedora-31/mikeb-mbs-messaging-umb-fedora-31.repo
   - name: EXTRA_RPMS
diff --git a/tests/integration/test_v3_buildrequire.py b/tests/integration/test_v3_buildrequire.py
index 0f398cea..f6be3e5c 100644
--- a/tests/integration/test_v3_buildrequire.py
+++ b/tests/integration/test_v3_buildrequire.py
@@ -40,5 +40,3 @@ def test_v3_buildrequire(mbs, clone_and_start_build):
                 continue
             assert buildrequire in contexts[ctx]["buildrequires"]
             assert data["stream"] == contexts[ctx]["buildrequires"][buildrequire][0]
-
-