Backing out pull-request #2788 due to breakage

netmiko/snmp_autodetect.py

@@ -20,7 +20,8 @@
 Note, pysnmp is a required dependency for SNMPDetect and is intentionally not included in
 netmiko requirements. So installation of pysnmp might be required.
 """
-from typing import Optional, Dict, Pattern
+from typing import Optional, Dict
+from typing.re import Pattern
 import re
 
 try:
@@ -333,7 +334,7 @@ def autodetect(self) -> Optional[str]:
         for entry in snmp_mapper_list:
             for device_type, v in entry.items():
                 oid: str = v["oid"]  # type: ignore
-                regex: Pattern[str] = v["expr"]  # type: ignore
+                regex: Pattern = v["expr"]
 
                 # Used cache data if we already queryied this OID
                 if self._response_cache.get(oid):