suggested replacement for removed API:
https://peps.python.org/pep-0594/#cgi

Index: src/wfuzz/externals/reqresp/Response.py
--- src/wfuzz/externals/reqresp/Response.py.orig
+++ src/wfuzz/externals/reqresp/Response.py
@@ -1,5 +1,5 @@
 import re
-import cgi
+from email.message import Message
 
 from io import BytesIO
 import gzip
@@ -22,7 +22,7 @@ def get_encoding_from_headers(headers):
     if not content_type:
         return None
 
-    content_type, params = cgi.parse_header(content_type)
+    content_type, params = Message(content_type)
 
     if "charset" in params:
         return params["charset"].strip("'\"")
