diff --git a/langchain/document_loaders/aws_textract.py b/langchain/document_loaders/aws_textract.py
index 6d3269515be..9a1808336db 100644
--- a/langchain/document_loaders/aws_textract.py
+++ b/langchain/document_loaders/aws_textract.py
@@ -1,12 +1,10 @@
-import os
 from io import BytesIO
-from typing import Any, List, Optional
+from typing import List
 
 import boto3
 from PIL import Image
 
 from langchain.docstore.document import Document
-from langchain.utils import get_from_dict_or_env
 
 
 class AwsTextractExtraction:
@@ -14,8 +12,8 @@ class AwsTextractExtraction:
         self,
         aws_region_name: str,
         aws_secret_key: str,
-        aws_access_key,
-        aws_session_token,
+        aws_access_key: str,
+        aws_session_token: str,
         file_path: str,
     ):
         self.aws_region_name = aws_region_name
@@ -24,7 +22,7 @@ class AwsTextractExtraction:
         self.aws_session_token = aws_session_token
         self.file_path = file_path
         try:
-            import boto3
+            import boto3  # noqa: F401
 
         except ImportError:
             raise ValueError(
@@ -37,11 +35,15 @@ class AwsTextractExtraction:
         page_no = 0
 
         textract_client = boto3.client(
-            "textract", region_name, aws_access_key, aws_secret_key, aws_session_token
+            "textract",
+            self.aws_region_name,
+            self.aws_access_key,
+            self.aws_access_key,
+            self.aws_session_token,
         )
-        Pil_Image_obj = Image.open(self.file_path)
+        pil_image_obj = Image.open(self.file_path)
         buf = BytesIO()
-        Pil_Image_obj.save(buf, format="PNG")
+        pil_image_obj.save(buf, format="PNG")
         image_bytes = buf.getvalue()
 
         response = textract_client.detect_document_text(Document={"Bytes": image_bytes})