Traceback (most recent call last):


 "/home/user/src/pretix/code/src/pretix/base/services/mail.py", line 210, in mail_send_task

backend.send_messages([email])


 "/home/user/src/pretix/lib64/python3.6/site-packages/django/core/mail/backends/smtp.py", line 104, in send_messages

new_conn_created = self.open()


 "/home/user/src/pretix/lib64/python3.6/site-packages/django/core/mail/backends/smtp.py", line 64, in open

self.connection = self.connection_class(self.host, self.port, **connection_params)


 "/usr/lib64/python3.6/smtplib.py", line 254, in init

raise SMTPConnectError(code, msg)
smtplib.SMTPConnectError: (-1, b'[CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5] Dovecot ready.')

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "cupy/cupy/_manipulation/dims.py", line 148, in expand_dims

return _manipulation._expand_dims(a, axis)


 "cupy/core/_routines_manipulation.pyx", line 223, in cupy.core._routines_manipulation._expand_dims


 "cupy/core/_routines_manipulation.pyx", line 238, in cupy.core._routines_manipulation._expand_dims


 "cupy/core/_routines_manipulation.pyx", line 317, in cupy.core._routines_manipulation._reshape
ValueError: cannot reshape array of size 7 into shape 49
