Make prometheus optional again

mautrix_facebook/user.py

@@ -19,13 +19,13 @@ import asyncio
 import time
 
 import fbchat
-from prometheus_client import Summary, Enum
 from mautrix.types import (UserID, PresenceState, RoomID, EventID, TextMessageEventContent,
                            MessageType)
 from mautrix.client import Client as MxClient
 from mautrix.bridge import BaseUser
 from mautrix.bridge._community import CommunityHelper, CommunityID
 from mautrix.util.simple_lock import SimpleLock
+from mautrix.util.opt_prometheus import Summary, Enum
 
 from .config import Config
 from .commands import enter_2fa_code

optional-requirements.txt

@@ -12,3 +12,6 @@ asyncpg>=0.20,<0.22
 python-olm>=3,<4
 pycryptodome>=3,<4
 unpaddedbase64>=1,<2
+
+#/metrics
+prometheus_client>=0.6,<0.9

requirements.txt

@@ -4,6 +4,5 @@ alembic>=1,<2
 ruamel.yaml>=0.15.94,<0.17
 commonmark>=0.8,<0.10
 python-magic>=0.4,<0.5
-mautrix>=0.7.3,<0.8
+mautrix>=0.7.4,<0.8
 fbchat-asyncio>=0.6.19,<0.7
-prometheus_client>=0.6,<0.9