chore(flagd): Fix var names, type checking, and linting

Signed-off-by: Maks Osowski <[email protected]>

Author: cupofcat

providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/config.py

@@ -1,9 +1,10 @@
 import dataclasses
-import grpc
 import os
 import typing
 from enum import Enum
 
+import grpc
+
 
 class ResolverType(Enum):
     RPC = "rpc"
@@ -235,11 +236,15 @@ def __init__(  # noqa: PLR0913
         )
 
         self.provider_id = (
-            env_or_default(ENV_VAR_PROVIDER_ID, None) if provider_id is None else provider_id
+            env_or_default(ENV_VAR_PROVIDER_ID, None)
+            if provider_id is None
+            else provider_id
         )
 
         self.default_authority = (
-            env_or_default(ENV_VAR_DEFAULT_AUTHORITY, None) if default_authority is None else default_authority
+            env_or_default(ENV_VAR_DEFAULT_AUTHORITY, None)
+            if default_authority is None
+            else default_authority
         )
 
         self.channel_credentials = channel_credentials

providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/provider.py

@@ -21,10 +21,11 @@
 # provider.initialise(schema="https",endpoint="example.com",port=1234,timeout=10)
 """
 
-import grpc
 import typing
 import warnings
 
+import grpc
+
 from openfeature.evaluation_context import EvaluationContext
 from openfeature.flag_evaluation import FlagResolutionDetails
 from openfeature.provider import AbstractProvider
@@ -59,7 +60,7 @@ def __init__(  # noqa: PLR0913
         retry_grace_period: typing.Optional[int] = None,
         cert_path: typing.Optional[str] = None,
         default_authority: typing.Optional[str] = None,
-        grpc_credentials: typing.Optional[grpc.ChannelCredentials] = None,
+        channel_credentials: typing.Optional[grpc.ChannelCredentials] = None,
     ):
         """
         Create an instance of the FlagdProvider
@@ -101,7 +102,7 @@ def __init__(  # noqa: PLR0913
             max_cache_size=max_cache_size,
             cert_path=cert_path,
             default_authority=default_authority,
-            channel_credentials=grpc_credentials,
+            channel_credentials=channel_credentials,
         )
 
         self.resolver = self.setup_resolver()

providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/connector/grpc_watcher.py

@@ -55,7 +55,7 @@ def __init__(
     def _generate_channel(self, config: Config) -> grpc.Channel:
         target = f"{config.host}:{config.port}"
         # Create the channel with the service config
-        options = [
+        options: list[tuple[str, typing.Any]] = [
             ("grpc.keepalive_time_ms", config.keep_alive_time),
             ("grpc.initial_reconnect_backoff_ms", config.retry_backoff_ms),
             ("grpc.max_reconnect_backoff_ms", config.retry_backoff_max_ms),