From 0f2302a4a526b991a46bf4aabc93c43cede58535 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Sun, 3 Apr 2022 15:44:44 -0400
Subject: [PATCH] fix login with older mastodon servers

---
 mastodon/api.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mastodon/api.py b/mastodon/api.py
index 976293a1..c2152b80 100644
--- a/mastodon/api.py
+++ b/mastodon/api.py
@@ -304,8 +304,7 @@ def obtain_token(site, request, code):
         'client_secret': mast_app.client_secret,
         'redirect_uri': redirect_uri,
         'grant_type': 'authorization_code',
-        'code': code,
-        'code_verifier': 'challenge'
+        'code': code
     }
     headers = {'User-Agent': 'NeoDB/1.0'}
     auth = None
@@ -315,6 +314,7 @@ def obtain_token(site, request, code):
         url = TWITTER_API_TOKEN
         auth = (mast_app.client_id, mast_app.client_secret)
         del payload['client_secret']
+        payload['code_verifier'] = 'challenge'
     else:
         url = 'https://' + mast_app.domain_name + API_OBTAIN_TOKEN
     response = post(url, data=payload, headers=headers, auth=auth)