Update app.py

app.py

@@ -19,7 +19,13 @@ s3 = s3fs.S3FileSystem(
     secret=os.getenv('AWS_SECRET_KEY'),
     client_kwargs={'region_name': os.getenv('AWS_REGION')}
 )
-textract_client = boto3.client('textract', region_name=region_name)
+
+textract_client = boto3.client(
+    'textract',
+    aws_access_key_id=('AWS_ACCESS_KEY')',
+    aws_secret_access_key=('AWS_SECRET_KEY'),
+    region_name=('AWS_REGION')'
+)
 
 def upload_file_to_s3(file_path, bucket, object_name=None):
     if object_name is None: