fix: remove unused variables and import flagged by code quality checks

Author: Yamini-Microsoft

infra/scripts/fabric/fabric_data_ingester.py

@@ -274,7 +274,7 @@ def load_data_to_fabric(
     args = parser.parse_args()
 
     try:
-        _results = load_data_to_fabric(
+        load_data_to_fabric(
             cluster_uri=args.cluster_uri,
             database_name=args.database,
             data_path=args.data_path,

infra/scripts/fabric/fabric_environment.py

@@ -22,7 +22,7 @@
 import os
 import base64
 from typing import Optional, Dict, Any
-from fabric_api import FabricWorkspaceApiClient, FabricApiError
+from fabric_api import FabricWorkspaceApiClient
 
 
 def read_environment_yml(file_path: str) -> str:

src/sample_data.py

@@ -318,7 +318,7 @@ def generate_sample_data(
 
 
 if __name__ == "__main__":
-    _result = generate_sample_data(
+    generate_sample_data(
         num_sites=2,
         num_assets_per_site=1,
         num_products=20,