Remove DjangoCSP dependency by writing own middleware for the CSP header

application/app/middleware.py

@@ -0,0 +1,11 @@
+
+# Define CSP middleware:
+
+def csp_middleware(get_response):
+
+    def middleware(request):
+        response = get_response(request)
+        response["content-security-policy"] = "default-src 'self'"
+        return response
+
+    return middleware