feat(DEVC-1752): fix lint

Author: kossman

src/corva/api.py

@@ -1,10 +1,10 @@
 import json
 import posixpath
 import re
-
 from typing import List, Optional, Sequence, Union
 
 import requests
+from urllib3 import Retry
 
 from corva.api_utils import get_retry_strategy, get_requests_session
 from corva.configuration import SETTINGS
@@ -35,8 +35,10 @@ def __init__(
         self.api_key = api_key
         self.app_key = app_key
         self.app_connection_id = app_connection_id
-        self._retry_strategy = get_retry_strategy(max_retries) if max_retries not in (None, 0) else None
-        self._session = get_requests_session(
+        self._retry_strategy: Optional[Retry] = (
+            get_retry_strategy(max_retries) if max_retries not in (None, 0) else None
+        )
+        self._session: requests.Session = get_requests_session(
             retry_strategy=self._retry_strategy,
             pool_connections_count=pool_connections_count,
             pool_max_size=pool_max_size,

src/corva/configuration.py

@@ -26,7 +26,7 @@ class Settings(pydantic.BaseSettings):
     # keep-alive
     POOL_CONNECTIONS_COUNT: int = 20    # Total pools count
     POOL_MAX_SIZE: int = 20             # Max connections count per pool/host
-    POOL_BLOCK: bool = True             # If all conn ack - wait until pool connection released, do not throw exc
+    POOL_BLOCK: bool = True             # If all conn ack - wait until pool connection released
 
     # retry
     MAX_RETRY_COUNT: int = 3            # If `0` then retires will be disabled