chore: update generated noxfile.py to cater for grafeas (#2380)

Author: parthea

gapic/templates/noxfile.py.j2

@@ -15,7 +15,11 @@ import nox
 BLACK_VERSION = "black[jupyter]==23.7.0"
 ISORT_VERSION = "isort==5.11.0"
 
-LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
+{% if api.naming.module_namespace %}
+LINT_PATHS = ["docs", "{{ api.naming.module_namespace[0] }}", "tests", "noxfile.py", "setup.py"]
+{% else %}
+LINT_PATHS = ["docs", "{{ api.naming.versioned_module_name }}", "tests", "noxfile.py", "setup.py"]
+{% endif %}
 
 ALL_PYTHON = [
     "3.7",
@@ -139,7 +143,11 @@ def lint(session):
         *LINT_PATHS,
     )
 
-    session.run("flake8", "google", "tests")
+{% if api.naming.module_namespace %}
+    session.run("flake8", "{{ api.naming.module_namespace[0] }}", "tests")
+{% else %}
+    session.run("flake8", "{{ api.naming.versioned_module_name }}, "tests")
+{% endif %}
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)