diff --git a/HowBadIsMyBatch.ipynb b/HowBadIsMyBatch.ipynb
index cd5dd1ae2d4..9870b838cbd 100644
--- a/HowBadIsMyBatch.ipynb
+++ b/HowBadIsMyBatch.ipynb
@@ -131,7 +131,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "unittest.main(argv=[''], verbosity=2, exit=False)"
+    "unittest.main(argv = [''], verbosity = 2, exit = False)"
    ]
   }
  ],