Get FR ready for Azure-Core poller typing PR (Azure#30211)

* Get FR ready for Azure-Core typing PR

* Remove unecessary code

* Pylint

Author: lmazuel

sdk/formrecognizer/azure-ai-formrecognizer/azure/ai/formrecognizer/_form_recognizer_client.py

@@ -752,7 +752,7 @@ def analyze_callback(raw_response, _, headers):  # pylint: disable=unused-argume
             return prepare_form_result(analyze_result, model_id)
 
         callback = kwargs.pop("cls", analyze_callback)
-        polling = LROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
+        polling: LROBasePolling = LROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
 
         # FIXME: part of this code will be removed once autorest can handle diff mixin
         # signatures across API versions
@@ -810,7 +810,7 @@ def analyze_callback(raw_response, _, headers):  # pylint: disable=unused-argume
             return prepare_form_result(analyze_result, model_id)
 
         callback = kwargs.pop("cls", analyze_callback)
-        polling = LROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
+        polling: LROBasePolling = LROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
 
         # FIXME: part of this code will be removed once autorest can handle diff mixin
         # signatures across API versions

sdk/formrecognizer/azure-ai-formrecognizer/azure/ai/formrecognizer/_polling.py

@@ -7,15 +7,10 @@
 
 import datetime
 import json
-from typing import Callable, Mapping, Union, TypeVar, Any, Optional
+from typing import Callable, Mapping, TypeVar, Any, Optional
 from typing_extensions import Protocol, runtime_checkable
 from azure.core.exceptions import HttpResponseError, ODataV4Format
 from azure.core.pipeline import PipelineResponse
-from azure.core.pipeline.transport import (
-    HttpResponse,
-    AsyncHttpResponse,
-    HttpRequest,
-)
 from azure.core.polling import LROPoller, PollingMethod
 from azure.core.polling.base_polling import (
     LocationPolling,
@@ -28,10 +23,6 @@
 PollingReturnType = TypeVar("PollingReturnType")
 
 
-ResponseType = Union[HttpResponse, AsyncHttpResponse]
-PipelineResponseType = PipelineResponse[HttpRequest, ResponseType]
-
-
 def raise_error(response, errors, message):
     error_message = "({}) {}{}".format(errors[0]["code"], errors[0]["message"], message)
     error = HttpResponseError(message=error_message, response=response)
@@ -135,7 +126,7 @@ def from_continuation_token(
 class DocumentModelAdministrationPolling(OperationResourcePolling):
     """Polling method overrides for training endpoints."""
 
-    def get_final_get_url(self, pipeline_response: PipelineResponseType) -> None:
+    def get_final_get_url(self, pipeline_response: Any) -> None:
         """If a final GET is needed, returns the URL.
 
         :rtype: None

sdk/formrecognizer/azure-ai-formrecognizer/azure/ai/formrecognizer/aio/_form_recognizer_client_async.py

@@ -766,7 +766,9 @@ def analyze_callback(raw_response, _, headers):  # pylint: disable=unused-argume
             return prepare_form_result(analyze_result, model_id)
 
         callback = kwargs.pop("cls", analyze_callback)
-        polling = AsyncLROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
+        polling: AsyncLROBasePolling = AsyncLROBasePolling(
+            timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs
+        )
 
         # FIXME: part of this code will be removed once autorest can handle diff mixin
         # signatures across API versions
@@ -824,7 +826,9 @@ def analyze_callback(raw_response, _, headers):  # pylint: disable=unused-argume
             return prepare_form_result(analyze_result, model_id)
 
         callback = kwargs.pop("cls", analyze_callback)
-        polling = AsyncLROBasePolling(timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs)
+        polling: AsyncLROBasePolling = AsyncLROBasePolling(
+            timeout=polling_interval, lro_algorithms=[AnalyzePolling()], **kwargs
+        )
 
         # FIXME: part of this code will be removed once autorest can handle diff mixin
         # signatures across API versions