Fixed all pep8 warnings

controllers/database/product.py

@@ -22,7 +22,11 @@ class ProductController(DatabaseController):
         ]
 
         self._conn.execute(
-            "INSERT INTO Products (name, image, description, cost, categoryID, sellerID, postedDate, quantityAvailable) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+            """
+            INSERT INTO Products
+            (name, image, description, cost, categoryID,
+            sellerID, postedDate, quantityAvailable)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
             params
         )
         self._conn.commit()
@@ -38,7 +42,7 @@ class ProductController(DatabaseController):
         )
         rows = cursor.fetchmany()
 
-        if rows == None:
+        if rows is None:
             return None
 
         products = list()
@@ -51,16 +55,17 @@ class ProductController(DatabaseController):
 
         return products
 
-    def read_all(self, category: str = "", search_term: str = "") -> list[Product] | None:
+    def read_all(self, category: str = "",
+                 search_term: str = "") -> list[Product] | None:
         params = [
             "%" + category + "%",
             "%" + search_term + "%"
         ]
 
         cursor = self._conn.execute(
-            """SELECT * FROM Products 
-            INNER JOIN Categories ON Products.categoryID = Categories.id 
-            WHERE Categories.name LIKE ? 
+            """SELECT * FROM Products
+            INNER JOIN Categories ON Products.categoryID = Categories.id
+            WHERE Categories.name LIKE ?
             AND Products.name LIKE ?
             """,
             params