diff --git a/.flake8 b/.flake8
index b68fdd0..faa6026 100644
--- a/.flake8
+++ b/.flake8
@@ -1,2 +1,4 @@
 [flake8]
 max-line-length = 200
+ignore =
+    E402,
\ No newline at end of file
diff --git a/src/advanced_route_utils.py b/src/advanced_route_utils.py
index 957b5a1..cea2c75 100644
--- a/src/advanced_route_utils.py
+++ b/src/advanced_route_utils.py
@@ -7,13 +7,13 @@
 
 Functions:
 - segment_edge(line, segment_length): Segments a line into smaller segments of specified length.
-- calculate_segment_weight(segment, roads_gdf, buildings_gdf, open_space_gdf, avoidance_zones_gdf): 
+- calculate_segment_weight(segment, roads_gdf, buildings_gdf, open_space_gdf, avoidance_zones_gdf):
   Calculates the weight of a segment based on intersection with roads, buildings, open spaces, and avoidance zones.
-- calculate_edge_weight(line, roads_gdf, buildings_gdf, open_space_gdf, avoidance_zones_gdf): 
+- calculate_edge_weight(line, roads_gdf, buildings_gdf, open_space_gdf, avoidance_zones_gdf):
   Calculates the total weight of an edge by summing the weights of its segments.
-- create_and_save_graph(health_facilities_gdf, roads_gdf, buildings_gdf, open_space_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km, output_path): 
+- create_and_save_graph(health_facilities_gdf, roads_gdf, buildings_gdf, open_space_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km, output_path):
   Creates a network graph with advanced constraints and saves it to a file.
-- add_node_to_graph(G, lat, lon, node_name, health_facilities_gdf, roads_gdf, buildings_gdf, open_space_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km): 
+- add_node_to_graph(G, lat, lon, node_name, health_facilities_gdf, roads_gdf, buildings_gdf, open_space_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km):
   Adds a new node to the existing graph, considering advanced constraints.
 - download_land_use_data(place_name): Downloads land use data (roads, buildings, open spaces) for a specified place using OSMnx.
 """
diff --git a/src/common_route_utils.py b/src/common_route_utils.py
index 0840dee..45bef16 100644
--- a/src/common_route_utils.py
+++ b/src/common_route_utils.py
@@ -36,8 +36,7 @@ def get_coordinates(lat_range, lon_range):
 
             # Validate if the coordinates are within the specified bounds
             if (
-                lat_range[0] <= latitude <= lat_range[1]
-                and lon_range[0] <= longitude <= lon_range[1]
+                lat_range[0] <= latitude <= lat_range[1] and lon_range[0] <= longitude <= lon_range[1]
             ):
                 print(
                     f"Coordinates ({latitude}, {longitude}) are valid within the specified range."
diff --git a/src/simple_route_utils.py b/src/simple_route_utils.py
index 6519b64..86a7796 100644
--- a/src/simple_route_utils.py
+++ b/src/simple_route_utils.py
@@ -6,9 +6,9 @@
 as well as adding new nodes (locations) to the graph while considering no-fly zones and avoidance areas.
 
 Functions:
-- create_and_save_graph(health_facilities_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km, output_path): 
+- create_and_save_graph(health_facilities_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km, output_path):
   Creates a network graph based on healthcare facilities and saves it to a file.
-- add_node_to_graph(G, lat, lon, node_name, health_facilities_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km): 
+- add_node_to_graph(G, lat, lon, node_name, health_facilities_gdf, no_fly_zones_gdf, avoidance_zones_gdf, drone_range_km):
   Adds a new node to the existing graph, connecting it to other nodes based on proximity and constraints.
 """
 
diff --git a/src/zone_utils.py b/src/zone_utils.py
index 5d1ac39..0fb4990 100644
--- a/src/zone_utils.py
+++ b/src/zone_utils.py
@@ -2,6 +2,8 @@
 import geopandas as gpd
 from shapely.geometry import Point
 import matplotlib.pyplot as plt
+import os
+import glob
 
 
 def create_circular_zone(lat, lon, radius):
diff --git a/tests/test_common_route_utils.py b/tests/test_common_route_utils.py
index d35b78c..8f208b6 100644
--- a/tests/test_common_route_utils.py
+++ b/tests/test_common_route_utils.py
@@ -8,11 +8,10 @@
 sys.path.append(os.path.abspath(os.path.join(current_dir, "..")))
 
 
-import pytest
 import networkx as nx
 import pandas as pd
 import pickle
-from src.common_route_utils import get_coordinates, load_graph, save_route_to_csv
+from src.common_route_utils import save_route_to_csv
 from tests.utils import create_test_graph
 
 
diff --git a/tests/test_generate_route.py b/tests/test_generate_route.py
index f809654..4358103 100644
--- a/tests/test_generate_route.py
+++ b/tests/test_generate_route.py
@@ -1,5 +1,4 @@
 from unittest.mock import patch
-import pytest
 import os
 import pandas as pd
 from scripts.generate_simple_route import main as simple_route_main
diff --git a/tests/utils.py b/tests/utils.py
index dc5c87b..bb39ec9 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -1,9 +1,8 @@
 # tests/utils.py
-import os
 import pandas as pd
 import geopandas as gpd
 import networkx as nx
-from shapely.geometry import Point, Polygon
+from shapely.geometry import Polygon
 
 
 def mock_healthcare_facilities():