Fixed all pep8 warnings

models/products/product.py

@@ -23,8 +23,10 @@ class Product:
         No additional properties are assigned to the customer
     '''
 
-    def __init__(self, name: str, image: str, description: str, cost: float, category: int,
-                 seller_id: int, posted_date: datetime, quantity_available: int):
+    def __init__(self, name: str, image: str, description: str,
+                 cost: float, category: int, seller_id: int,
+                 posted_date: datetime, quantity_available: int
+                 ):
         self.id = 0
         self.name = name
         self.image = image

models/users/user.py

@@ -2,11 +2,14 @@ from abc import ABC
 
 
 class User(ABC):
-    """ Functional Class constructor to initialise all properties in the base object
-        with a value """
+    """ Functional Class constructor to initialise all properties in
+        the base object with a value
+    """
 
-    def __init__(self, username: str, password: str, firstname: str,
-                 lastname: str, email: str, phone: str, role: str):
+    def __init__(self, username: str, password: str,
+                 firstname: str, lastname: str,
+                 email: str, phone: str, role: str
+                 ):
         self.id = 0
         self.username = username
         self.password = password