diff --git a/scripts/knotctl b/scripts/knotctl
index c3a5920..8c94de7 100755
--- a/scripts/knotctl
+++ b/scripts/knotctl
@@ -41,8 +41,9 @@ def nested_out(input, tabs="") -> str:
         string += "{}\n".format(input)
     elif isinstance(input, dict):
         for key, value in input.items():
-            string += "{}{}: {}".format(tabs, key,
-                                        nested_out(value, tabs + " "))
+            string += "{}{}: {}".format(
+                tabs, key, nested_out(value, tabs + " ")
+            )
     elif isinstance(input, list):
         for entry in input:
             string += "{}\n{}".format(tabs, nested_out(entry, tabs + " "))
@@ -90,8 +91,11 @@ def run_config(
     for need in needed:
         if need == "":
             output(
-                error("Can not configure without {}".format(need),
-                      "No {}".format(need)))
+                error(
+                    "Can not configure without {}".format(need),
+                    "No {}".format(need),
+                )
+            )
             sys.exit(1)
         config[need] = input("Enter {}:".format(need))
 
@@ -115,10 +119,9 @@ def run_delete(url: str, jsonout: bool, headers: dict):
     output(reply, jsonout)
 
 
-def run_list(url: str,
-             jsonout: bool,
-             headers: dict,
-             ret=False) -> Union[None, str]:
+def run_list(
+    url: str, jsonout: bool, headers: dict, ret=False
+) -> Union[None, str]:
     response = requests.get(url, headers=headers)
     string = response.json()
     if ret:
@@ -165,13 +168,19 @@ def setup_url(
 
     if ttl and (not rtype or not name or not zone):
         output(
-            error("ttl only makes sense with rtype, name and zone",
-                  "Missing parameter"))
+            error(
+                "ttl only makes sense with rtype, name and zone",
+                "Missing parameter",
+            )
+        )
         sys.exit(1)
     if rtype and (not name or not zone):
         output(
-            error("rtype only makes sense with name and zone",
-                  "Missing parameter"))
+            error(
+                "rtype only makes sense with name and zone",
+                "Missing parameter",
+            )
+        )
         sys.exit(1)
     if name and not zone:
         output(error("name only makes sense with a zone", "Missing parameter"))
@@ -264,23 +273,29 @@ def main() -> int:
 
     # Route based on command
     ttl = None
-    if 'ttl' in args:
+    if "ttl" in args:
         ttl = args.ttl
     if args.command != "update":
         args.argument = None
     if args.command == "add" and not ttl:
-        if args.zone.endswith('.'):
+        if args.zone.endswith("."):
             zname = args.zone
         else:
-            zname = args.zone + '.'
-        soa_url = setup_url(baseurl, None, None, zname, "SOA", None,
-                            args.zone)
+            zname = args.zone + "."
+        soa_url = setup_url(baseurl, None, None, zname, "SOA", None, args.zone)
         soa_json = run_list(soa_url, True, headers, ret=True)
         ttl = soa_json[0]["ttl"]
 
     try:
-        url = setup_url(baseurl, args.argument, args.data, args.name,
-                        args.rtype, ttl, args.zone)
+        url = setup_url(
+            baseurl,
+            args.argument,
+            args.data,
+            args.name,
+            args.rtype,
+            ttl,
+            args.zone,
+        )
     except AttributeError:
         parser.print_help(sys.stderr)
         return 1
@@ -296,7 +311,8 @@ def main() -> int:
             run_update(url, args.json, headers)
     except (RequestsJSONDecodeError, SimplejsonJSONDecodeError):
         output(
-            error("Could not decode api response as JSON", "Could not decode"))
+            error("Could not decode api response as JSON", "Could not decode")
+        )
     return 0