Fixed all pep8 warnings

controllers/database/database.py

@@ -17,8 +17,8 @@ class DatabaseController(ABC):
     def __init__(self):
         self._conn = None
         try:
-            # Creates a connection and specifies a flag to parse all types back down into
-            # Python declared types e.g. date & time
+            # Creates a connection and specifies a flag to parse all types
+            # back down into Python declared types e.g. date & time
             self._conn = sqlite3.connect(
                 self.__sqlitefile, detect_types=sqlite3.PARSE_DECLTYPES)
         except sqlite3.Error as e:
@@ -28,10 +28,10 @@ class DatabaseController(ABC):
             print(e)
 
     def __del__(self):
-        if self._conn != None:
+        if self._conn is not None:
             self._conn.close()
 
-    """ Takes a dictionary of fields and returns the object 
+    """ Takes a dictionary of fields and returns the object
         with those fields populated """
 
     def new_instance(self, of: type, with_fields: Mapping[str, Any]):