diff --git a/azul/bag.py b/azul/bag.py
index 8529c30..7708c5a 100644
--- a/azul/bag.py
+++ b/azul/bag.py
@@ -11,8 +11,10 @@ class Bag(TakeTilesFromBagInterface, StateInterface):
     _tiles: List[Tile]
 
     class RandomTakeInterface:
+        # pylint: disable=no-self-use
+        # pylint: disable=unused-argument
         def take(self, count: int, tiles: List[Tile]) -> Tuple[List[Tile], List[Tile]]:
-            pass
+            assert False
 
     class RandomTake(RandomTakeInterface):
         _random: Random
diff --git a/azul/final_points_calculation.py b/azul/final_points_calculation.py
index 6e46085..4dd48b3 100644
--- a/azul/final_points_calculation.py
+++ b/azul/final_points_calculation.py
@@ -7,11 +7,11 @@
 class FinalPointsCalculation(FinalPointsCalculationInterface):
     def get_points(self, wall: List[List[Optional[Tile]]]) -> Points:
         assert len(wall) == 5
-        assert all([len(line) == 5 for line in wall])
-        row_points: int = sum([(2 if all(line) else 0) for line in wall])
+        assert all(len(line) == 5 for line in wall)
+        row_points: int = sum((2 if all(line) else 0) for line in wall)
         transposed_wall = list(zip(*wall))
-        column_points: int = sum([(7 if all(line) else 0)
-                                  for line in transposed_wall])
+        column_points: int = sum((7 if all(line) else 0)
+                                 for line in transposed_wall)
         color_points: int = 10 * \
             len(set.intersection(
                 *[{tile for tile in line if tile} for line in wall]))
diff --git a/azul/interfaces.py b/azul/interfaces.py
index bf04a10..6c0bc53 100644
--- a/azul/interfaces.py
+++ b/azul/interfaces.py
@@ -1,3 +1,5 @@
+# pylint: disable=no-self-use
+# pylint: disable=unused-argument
 from __future__ import annotations
 from typing import List, Optional
 from azul.simple_types import Tile, FinishRoundResult, Points
@@ -5,115 +7,115 @@
 
 class GiveTilesInterface:
     def give(self, tiles: List[Tile]) -> None:
-        pass
+        assert False
 
 
 class TakeTilesFromBagInterface:
     def take(self, count: int) -> List[Tile]:
-        pass
+        assert False
 
 
 class StateInterface:
     def state(self) -> str:
-        pass
+        assert False
 
 
 class BagUsedTilesInterface(StateInterface):
     def take_all(self) -> List[Tile]:
-        pass
+        assert False
 
 
 class TileSourceInterface:
     def take(self, idx: int) -> List[Tile]:
-        pass
+        assert False
 
     def is_empty(self) -> bool:
-        pass
+        assert False
 
     def start_new_round(self) -> None:
-        pass
+        assert False
 
     def state(self) -> str:
-        pass
+        assert False
 
 
 class GameInterface:
     def start_game(self) -> None:
-        pass
+        assert False
 
     def take(self, player_id: int, source_idx: int, idx: int, destination_idx: int) -> bool:
-        pass
+        assert False
 
 
 class TableAreaInterface(StateInterface):
     def take(self, source_idx: int, idx: int) -> List[Tile]:
-        pass
+        assert False
 
     def is_round_end(self) -> bool:
-        pass
+        assert False
 
     def start_new_round(self) -> None:
-        pass
+        assert False
 
 
 class BoardInterface(StateInterface):
     def put(self, destination_idx: int, tiles: List[Tile]) -> None:
-        pass
+        assert False
 
     def finish_round(self) -> FinishRoundResult:
-        pass
+        assert False
 
     def end_game(self) -> None:
-        pass
+        assert False
 
 
 class NotifyEverybodyInterface:
     def notify_everybody(self, state: str) -> None:
-        pass
+        assert False
 
 
 class FloorInterface(StateInterface, GiveTilesInterface):
     def finish_round(self) -> Points:
-        pass
+        assert False
 
 
 class PatternLineWallLineInterface:
     def can_put_tile(self, tile: Tile) -> bool:
-        pass
+        assert False
 
     def put_tile(self, tile: Tile) -> Points:
-        pass
+        assert False
 
 
 class ObserverInterface:
     def notify(self, new_state: str) -> None:
-        pass
+        assert False
 
 
 class ObservableInterface:
     def register_observer(self, observer: ObserverInterface) -> None:
-        pass
+        assert False
 
     def cancel_observer(self, observer: ObserverInterface) -> None:
-        pass
+        assert False
 
 
 class FinalPointsCalculationInterface:
     def get_points(self, wall: List[List[Optional[Tile]]]) -> Points:
-        pass
+        assert False
 
 
 class GameFinishedInterface:
     def game_finished(self, wall: List[List[Optional[Tile]]]) -> FinishRoundResult:
-        pass
+        assert False
 
 
 class WallLineInterface(StateInterface):
     @property
     def tiles(self) -> List[Optional[Tile]]:
-        pass
+        assert False
 
 
 class PatternLineInterface(StateInterface, GiveTilesInterface):
     def finish_round(self) -> Points:
-        pass
+        assert False
diff --git a/azul/pattern_line.py b/azul/pattern_line.py
index 4bd42cd..ed49f3b 100644
--- a/azul/pattern_line.py
+++ b/azul/pattern_line.py
@@ -30,7 +30,7 @@ def give(self, tiles: List[Tile]) -> None:
         # Check if tiles are all of the same type
         if not tiles:
             return
-        assert all([tile == tiles[0] for tile in tiles])
+        assert all(tile == tiles[0] for tile in tiles)
 
         assert self._capacity >= len(self._tiles)
         count_to_fit = min(self._capacity - len(self._tiles), len(tiles))