diff --git a/gocam_viz/admin.py b/gocam_viz/admin.py
index 8c38f3f..b97a94f 100644
--- a/gocam_viz/admin.py
+++ b/gocam_viz/admin.py
@@ -1,3 +1,2 @@
-from django.contrib import admin
 
 # Register your models here.
diff --git a/gocam_viz/tests.py b/gocam_viz/tests.py
index 7ce503c..4929020 100644
--- a/gocam_viz/tests.py
+++ b/gocam_viz/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.
diff --git a/gocam_viz/views.py b/gocam_viz/views.py
index a9f993a..7c10360 100644
--- a/gocam_viz/views.py
+++ b/gocam_viz/views.py
@@ -9,7 +9,7 @@ def index(request):
     else:
         graph_height = 650
 
-    gocam_viz_html = f"<wc-gocam-viz style='--button-background: #2598c5; --button-background-hover: #2598c5; -- --button-color: #fff; --panel-header-border-width: 1px; --panel-header-border-color: #ddd; --border-color: #d1c4e9; --panel-header-padding: 0.2em; --panel-header-background: #f2f2f2; --graph-height: {graph_height}px;' id='gocam-1' api-url='https://api.geneontology.xyz/gocam/%ID/raw' gocam-id='{gocam_id}'></wc-gocam-viz>";
+    gocam_viz_html = f"<wc-gocam-viz style='--button-background: #2598c5; --button-background-hover: #2598c5; -- --button-color: #fff; --panel-header-border-width: 1px; --panel-header-border-color: #ddd; --border-color: #d1c4e9; --panel-header-padding: 0.2em; --panel-header-background: #f2f2f2; --graph-height: {graph_height}px;' id='gocam-1' api-url='https://api.geneontology.xyz/gocam/%ID/raw' gocam-id='{gocam_id}'></wc-gocam-viz>"
 
     context = {
 #        'full_or_widget': full_or_widget,
diff --git a/rna_2d_structure/admin.py b/rna_2d_structure/admin.py
index 694323f..e69de29 100644
--- a/rna_2d_structure/admin.py
+++ b/rna_2d_structure/admin.py
@@ -1 +0,0 @@
-from django.contrib import admin
diff --git a/rna_2d_structure/models.py b/rna_2d_structure/models.py
index 137941f..e69de29 100644
--- a/rna_2d_structure/models.py
+++ b/rna_2d_structure/models.py
@@ -1 +0,0 @@
-from django.db import models
diff --git a/rna_2d_structure/tests.py b/rna_2d_structure/tests.py
index 7ce503c..4929020 100644
--- a/rna_2d_structure/tests.py
+++ b/rna_2d_structure/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.
diff --git a/stats/admin.py b/stats/admin.py
index 8c38f3f..b97a94f 100644
--- a/stats/admin.py
+++ b/stats/admin.py
@@ -1,3 +1,2 @@
-from django.contrib import admin
 
 # Register your models here.
diff --git a/stats/models.py b/stats/models.py
index 71a8362..35e0d64 100644
--- a/stats/models.py
+++ b/stats/models.py
@@ -1,3 +1,2 @@
-from django.db import models
 
 # Create your models here.
diff --git a/stats/tests.py b/stats/tests.py
index 7ce503c..4929020 100644
--- a/stats/tests.py
+++ b/stats/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.
diff --git a/stats/views.py b/stats/views.py
index aa48c18..d6b5e31 100644
--- a/stats/views.py
+++ b/stats/views.py
@@ -2,7 +2,6 @@
 
 import os
 import json
-import re
 
 import io
 
@@ -108,7 +107,7 @@ def make_plot(raw_stat_type, column_name=None):
     response = HttpResponse(imgdata.getvalue(), content_type="image/svg+xml")
 
     plt.cla()
-    fig.clf();
+    fig.clf()
     plt.close('all')
 
     return response
@@ -143,7 +142,7 @@ def make_year_range_plot(raw_stat_type):
     response = HttpResponse(imgdata.getvalue(), content_type="image/svg+xml")
 
     plt.cla()
-    fig.clf();
+    fig.clf()
     plt.close('all')
 
     return response
@@ -215,7 +214,7 @@ def community_response_rates(_):
     response = HttpResponse(imgdata.getvalue(), content_type="image/svg+xml")
 
     plt.cla()
-    fig.clf();
+    fig.clf()
     plt.close('all')
 
     return response