diff --git a/aviary/docs/user_guide/hamilton_standard.ipynb b/aviary/docs/user_guide/hamilton_standard.ipynb
index d94d26e5c..796750976 100644
--- a/aviary/docs/user_guide/hamilton_standard.ipynb
+++ b/aviary/docs/user_guide/hamilton_standard.ipynb
@@ -11,7 +11,6 @@
    "outputs": [],
    "source": [
     "# Testing Cell\n",
-    "\n",
     "from aviary.api import Aircraft\n",
     "from aviary.subsystems.propulsion.propeller.hamilton_standard import (\n",
     "    PreHamiltonStandard, HamiltonStandard, PostHamiltonStandard)\n",