Update proxy.py

proxy.py

@@ -16,6 +16,8 @@ class ProxyRequestHandler(http.server.SimpleHTTPRequestHandler):
         headers = dict(self.headers)
         if 'Host' in headers:
             del headers['Host'] # Remove "Host" header to avoid "HTTP/1.1 400 Bad Request" error
+        if 'host' in headers:
+            del headers['host'] # Remove "Host" header to avoid "HTTP/1.1 400 Bad Request" error
         conn = http.client.HTTPConnection('localhost', PROXY_PORT)
         print(headers)
         conn.request('GET', url, headers=headers)