[bugfix] Fix Python 2 bug in action=clientlogin

Change-Id: I2894680f25ec403800a1c48d9a5e61e5dcd57284
---
M pywikibot/data/api.py
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pywikibot/data/api.py b/pywikibot/data/api.py
index 9d54333..207b3ab 100644
--- a/pywikibot/data/api.py
+++ b/pywikibot/data/api.py
@@ -3167,7 +3167,8 @@
                   or status == 'Failed' and 'wait' in fail_reason):
                 match = re.search(r'(\d+) (seconds|minutes)', fail_reason)
                 if match:
-                    delta = datetime.timedelta(**{match[2]: int(match[1])})
+                    delta = datetime.timedelta(
+                        **{match.group(2): int(match.group(1))})
                 wait = response.get('wait')
                 if wait:
                     delta = datetime.timedelta(seconds=int(wait))

