diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index eb26ac4..6ce92ef 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -17,8 +17,10 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        cd backend
+        pip install -r requirements.txt
         pip install pylint
     - name: Analysing the code with pylint
       run: |
         cd backend
-        pylint $(git ls-files '*.py')
+        pylint --fail-under=7.0 $(git ls-files '*.py')
diff --git a/backend/code/__init__.py b/backend/code/__init__.py
index e69de29..ca0e366 100644
--- a/backend/code/__init__.py
+++ b/backend/code/__init__.py
@@ -0,0 +1,3 @@
+"""
+TODO
+"""
diff --git a/backend/code/main.py b/backend/code/main.py
index 0d9d088..95f61e8 100644
--- a/backend/code/main.py
+++ b/backend/code/main.py
@@ -6,13 +6,14 @@
 import io
 import json
 
+from code.utils import get_filename_by_file_id, custom_hash
+from code.p2p_client import P2PClient
+from code.file_tokenizer import SenderTokenizer
+
 from pathlib import Path
 from flask_cors import CORS
 from flask import Flask, request, jsonify, send_file
 
-from utils import get_filename_by_file_id, custom_hash
-from p2p_client import P2PClient
-from file_tokenizer import SenderTokenizer
 
 app = Flask(__name__)
 CORS(app)
diff --git a/backend/code/p2p_client.py b/backend/code/p2p_client.py
index ff12327..ec56f4b 100644
--- a/backend/code/p2p_client.py
+++ b/backend/code/p2p_client.py
@@ -11,8 +11,8 @@
 
 from pathlib import Path
 
-from utils import get_filename_by_file_id
-from file_tokenizer import ReceiverTokenizer
+from code.utils import get_filename_by_file_id
+from code.file_tokenizer import ReceiverTokenizer
 from config import DISCOVERY_PORT, CHAT_PORT, MAX_UDP_PACKET, DISCOVERY_ADDRESS
 
 
@@ -23,7 +23,7 @@ class P2PClient:
 
     def __init__(self):
         self.user_id = uuid.uuid1().__str__()
-        self.peers = dict()
+        self.peers = {}
         self.discovery_socket = socket.socket(
             socket.AF_INET, socket.SOCK_DGRAM)
         self.discovery_socket.setsockopt(
diff --git a/backend/code/utils.py b/backend/code/utils.py
index ff3ae94..8ddb677 100644
--- a/backend/code/utils.py
+++ b/backend/code/utils.py
@@ -23,7 +23,7 @@ def find_file(directory, filename):
 
     if os.path.exists(directory):
         for file in os.listdir(directory):
-            name, ext = os.path.splitext(file)
+            name, _ = os.path.splitext(file)
             if name == filename:
                 return file
     return None
diff --git a/backend/test/__init__.py b/backend/test/__init__.py
index 99f4cf5..e3e2063 100644
--- a/backend/test/__init__.py
+++ b/backend/test/__init__.py
@@ -1,3 +1,7 @@
+"""
+TODO
+"""
+
 import os
 import sys
 
diff --git a/backend/test/test_utils.py b/backend/test/test_utils.py
index 26bf23d..0293709 100644
--- a/backend/test/test_utils.py
+++ b/backend/test/test_utils.py
@@ -11,14 +11,14 @@ class TestUtils(unittest.TestCase):
     TODO
     """
 
-    def test_find_file_with_garbage_file_name_returns_None(self):
+    def test_find_file_with_garbage_file_name_returns_none(self):
         """
         If a file does not exist, find_file should return None
         """
 
         self.assertEqual(find_file("uploads", "random_file.txt"), None)
 
-    def test_find_file_with_garbage_directory_name_returns_None(self):
+    def test_find_file_with_garbage_directory_name_returns_none(self):
         """
         If a directory does not exist, find_file should return None
         """