diff --git a/src/HH4b/boosted/FitB_0.95_PoissonCDF_separate.ipynb b/src/HH4b/boosted/FitB_0.95_PoissonCDF_separate.ipynb
index cd84892e..40aacb65 100644
--- a/src/HH4b/boosted/FitB_0.95_PoissonCDF_separate.ipynb
+++ b/src/HH4b/boosted/FitB_0.95_PoissonCDF_separate.ipynb
@@ -31,7 +31,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "import matplotlib.pyplot as plt\n",
     "import matplotlib.ticker as mticker\n",
     "import numpy as np\n",
diff --git a/src/HH4b/boosted/trigger_signal.ipynb b/src/HH4b/boosted/trigger_signal.ipynb
index 7aed50e3..c56bb56a 100644
--- a/src/HH4b/boosted/trigger_signal.ipynb
+++ b/src/HH4b/boosted/trigger_signal.ipynb
@@ -29,8 +29,7 @@
     "plt.rcParams[\"lines.linewidth\"] = 2\n",
     "plt.rcParams[\"grid.color\"] = \"#CCCCCC\"\n",
     "plt.rcParams[\"grid.linewidth\"] = 0.5\n",
-    "plt.rcParams[\"figure.edgecolor\"] = \"none\"\n",
-    "\n"
+    "plt.rcParams[\"figure.edgecolor\"] = \"none\""
    ]
   },
   {
diff --git a/src/HH4b/combine/binder/VBFPlots.ipynb b/src/HH4b/combine/binder/VBFPlots.ipynb
index 9e8c069d..53dfe7ec 100644
--- a/src/HH4b/combine/binder/VBFPlots.ipynb
+++ b/src/HH4b/combine/binder/VBFPlots.ipynb
@@ -50,7 +50,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "samples = {\n",
     "    \"VBF_HHto4B_CV_1_C2V_1_C3_1\": \"src/HH4b/combine/binder/vbf/all.root\",\n",
     "    \"GluGlutoHHto4B_kl-1p00_kt-1p00_c2-0p00\": \"src/HH4b/combine/binder/ggf/all.root\",\n",
diff --git a/src/HH4b/jsmr/jmsr_templates.ipynb b/src/HH4b/jsmr/jmsr_templates.ipynb
index 8d4b68e4..a4e6d56f 100644
--- a/src/HH4b/jsmr/jmsr_templates.ipynb
+++ b/src/HH4b/jsmr/jmsr_templates.ipynb
@@ -20,7 +20,7 @@
     "from HH4b.utils import ShapeVar\n",
     "\n",
     "formatter = mticker.ScalarFormatter(useMathText=True)\n",
-    "formatter.set_powerlimits((-3, 3))\n"
+    "formatter.set_powerlimits((-3, 3))"
    ]
   },
   {
diff --git a/src/HH4b/overlap/Overlap.ipynb b/src/HH4b/overlap/Overlap.ipynb
index cccf9a92..3e0d20c6 100644
--- a/src/HH4b/overlap/Overlap.ipynb
+++ b/src/HH4b/overlap/Overlap.ipynb
@@ -18,7 +18,7 @@
     "import numpy as np\n",
     "import pandas as pd\n",
     "import uproot\n",
-    "from xgboost import XGBClassifier\n"
+    "from xgboost import XGBClassifier"
    ]
   },
   {
diff --git a/src/HH4b/postprocessing/run2/PostProcess2018.ipynb b/src/HH4b/postprocessing/run2/PostProcess2018.ipynb
index afd246b3..4c242efb 100644
--- a/src/HH4b/postprocessing/run2/PostProcess2018.ipynb
+++ b/src/HH4b/postprocessing/run2/PostProcess2018.ipynb
@@ -1202,7 +1202,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "import vector\n",
     "\n",
     "vector.register_awkward()\n",
diff --git a/src/HH4b/semiboosted/CategorizeRecoByGen.ipynb b/src/HH4b/semiboosted/CategorizeRecoByGen.ipynb
index 1bfa7925..c1f66da6 100644
--- a/src/HH4b/semiboosted/CategorizeRecoByGen.ipynb
+++ b/src/HH4b/semiboosted/CategorizeRecoByGen.ipynb
@@ -23,7 +23,7 @@
     "import pandas as pd\n",
     "import vector\n",
     "\n",
-    "vector.register_awkward()\n"
+    "vector.register_awkward()"
    ]
   },
   {
diff --git a/src/HH4b/semiboosted/MatchingYields_Billy.ipynb b/src/HH4b/semiboosted/MatchingYields_Billy.ipynb
index 68d9e41e..84df3f7b 100644
--- a/src/HH4b/semiboosted/MatchingYields_Billy.ipynb
+++ b/src/HH4b/semiboosted/MatchingYields_Billy.ipynb
@@ -14,7 +14,7 @@
     "import pandas as pd\n",
     "import vector\n",
     "\n",
-    "vector.register_awkward()\n"
+    "vector.register_awkward()"
    ]
   },
   {
diff --git a/src/HH4b/semiboosted/ooc-semiboosted.ipynb b/src/HH4b/semiboosted/ooc-semiboosted.ipynb
index 6910e98b..4cfe15a9 100644
--- a/src/HH4b/semiboosted/ooc-semiboosted.ipynb
+++ b/src/HH4b/semiboosted/ooc-semiboosted.ipynb
@@ -28,7 +28,7 @@
     "import pandas as pd\n",
     "import vector\n",
     "\n",
-    "vector.register_awkward()\n"
+    "vector.register_awkward()"
    ]
   },
   {
diff --git a/src/HH4b/semiboosted/ooc.ipynb b/src/HH4b/semiboosted/ooc.ipynb
index d4a57e48..0c4405bc 100644
--- a/src/HH4b/semiboosted/ooc.ipynb
+++ b/src/HH4b/semiboosted/ooc.ipynb
@@ -32,14 +32,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "import awkward as ak\n",
     "import hist\n",
     "import numpy as np\n",
     "import pandas as pd\n",
     "import vector\n",
     "\n",
-    "vector.register_awkward()\n"
+    "vector.register_awkward()"
    ]
   },
   {
diff --git a/src/HH4b/semiboosted/ooc_genJet_matching.ipynb b/src/HH4b/semiboosted/ooc_genJet_matching.ipynb
index 2a06ba0d..7c4376d8 100644
--- a/src/HH4b/semiboosted/ooc_genJet_matching.ipynb
+++ b/src/HH4b/semiboosted/ooc_genJet_matching.ipynb
@@ -22,7 +22,7 @@
     "import pandas as pd\n",
     "import vector\n",
     "\n",
-    "vector.register_awkward()\n"
+    "vector.register_awkward()"
    ]
   },
   {