Backport part of
https://github.com/mitmproxy/mitmproxy/commit/ee7282783700d72a530e422fa52a1aad2a5bf84e

Index: mitmproxy/tools/main.py
--- mitmproxy/tools/main.py.orig
+++ mitmproxy/tools/main.py
@@ -58,6 +58,7 @@ def run(
         logging.getLogger("tornado").setLevel(logging.WARNING)
         logging.getLogger("asyncio").setLevel(logging.WARNING)
         logging.getLogger("hpack").setLevel(logging.WARNING)
+        logging.getLogger("urwid").setLevel(logging.INFO)
         logging.getLogger("quic").setLevel(
             logging.WARNING
         )  # aioquic uses a different prefix...
