diff --git a/werewolf/builder.py b/werewolf/builder.py
index b80fcb6..aad0604 100644
--- a/werewolf/builder.py
+++ b/werewolf/builder.py
@@ -2,7 +2,6 @@ import asyncio
 import discord
 
 # Import all roles here
-from werewolf.role import Role
 from werewolf.roles.vanillawerewolf import VanillaWerewolf
 from werewolf.roles.villager import Villager
 from werewolf.roles.seer import Seer
@@ -10,35 +9,41 @@ from werewolf.roles.seer import Seer
 # All roles in this list for iterating
 role_list = [Villager, VanillaWerewolf] 
 
-#Example code:
-# 0 = Villager
-# 1 = VanillaWerewolf
-# E1 = Random Town
-# R1 = Random Werewolf
-# J1 = Benign Neutral
+"""
+Example code:
+0 = Villager
+1 = VanillaWerewolf
+E1 = Random Town
+R1 = Random Werewolf
+J1 = Benign Neutral
 
-# 0001-1112E11R112P2
-# 0,0,0,1,11,12,E1,R1,R1,R1,R2,P2
+0001-1112E11R112P2
+0,0,0,1,11,12,E1,R1,R1,R1,R2,P2
+
+pre-letter = exact role position
+double digit position preempted by `-`
+"""
 
-# pre-letter = exact role position
-# double digit position pre-empted by `-`
 
 async def parse_code(code):
+    """Do the magic described above"""
     out = []
-    #Do the magic described above
     decode = code.copy() # for now, pass exact names
     for role_id in decode:
         print(role_id)
         if role_id == "Villager":
             role = Villager
-        if role_id == "VanillaWerewolf":
+        elif role_id == "VanillaWerewolf":
             role = VanillaWerewolf
-        if role_id == "Seer":
+        elif role_id == "Seer":
             role = Seer
+        else:  # Fail to parse
+            return None
         out.append(role)
     
     return out
-            
+
+
 async def build_game(channel: discord.TextChannel):
     await channel.send("Not currently available")
     
diff --git a/werewolf/game.py b/werewolf/game.py
index e16607b..d6ae1cf 100644
--- a/werewolf/game.py
+++ b/werewolf/game.py
@@ -1,8 +1,6 @@
 import asyncio
 import discord
 
-from datetime import datetime, timedelta
-
 import random
 
 from werewolf.player import Player
@@ -14,7 +12,7 @@ class Game:
     """
     Base class to run a single game of Werewolf
     """
-    
+
     default_secret_channel = {
                 "channel": None,
                 "players": [],
@@ -59,10 +57,7 @@ class Game:
         self.vote_groups = {}  # ID : VoteGroup()
         
         self.night_results = []
-        
-        
-        
-        
+
         self.loop = asyncio.get_event_loop()
 
     async def setup(self, ctx):
@@ -91,7 +86,8 @@ class Game:
                     self.guild.me: discord.PermissionOverwrite(read_messages=True, send_messages=True)
                     }
 
-        self.channel_category = await self.guild.create_category("ww-game", overwrites=overwrite, reason="New game of werewolf")
+        self.channel_category = await self.guild.create_category("ww-game", overwrites=overwrite, reason="New game of "
+                                                                                                         "werewolf")
         
         for player in self.players:
             overwrite[player.member] = discord.PermissionOverwrite(read_messages=True)
diff --git a/werewolf/player.py b/werewolf/player.py
index 374c8c3..a90a8be 100644
--- a/werewolf/player.py
+++ b/werewolf/player.py
@@ -1,8 +1,6 @@
 import asyncio
-
 import discord
 
-from datetime import datetime, timedelta
 
 class Player:
     """
diff --git a/werewolf/role.py b/werewolf/role.py
index dd7e944..a0c692b 100644
--- a/werewolf/role.py
+++ b/werewolf/role.py
@@ -1,5 +1,6 @@
 import asyncio
 
+
 class Role:
     """
     Base Role class for werewolf game
diff --git a/werewolf/roles/seer.py b/werewolf/roles/seer.py
index 3ea8d76..ae7c5b2 100644
--- a/werewolf/roles/seer.py
+++ b/werewolf/roles/seer.py
@@ -97,12 +97,12 @@ class Seer(Role):
     # async def _at_day_end(self):
         # pass
         
-    async def _at_night_start(self):
+    async def _at_night_start(self, data=None):
         await self.game.generate_targets(self.player.member)
         await self.player.send_dm("{}\n**Pick a target to see tonight**\n")
         
         
-    async def _at_night_end(self):
+    async def _at_night_end(self, data=None):
         target = await self.game.visit(self.see_target)
         
         alignment = await target.see_alignment(self.player)
diff --git a/werewolf/werewolf.py b/werewolf/werewolf.py
index 3d0630c..10afe08 100644
--- a/werewolf/werewolf.py
+++ b/werewolf/werewolf.py
@@ -5,8 +5,6 @@ from discord.ext import commands
 
 from redbot.core import Config
 
-from datetime import datetime, timedelta
-
 from werewolf.game import Game
 
 
@@ -48,9 +46,8 @@ class Werewolf:
             await ctx.send("Failed to start a new game")
         else:
             await ctx.send("New game has started")
-        
-        
-    @commands.guild_only()    
+
+    @commands.guild_only()
     @ww.command()
     async def join(self, ctx):
         """
@@ -157,7 +154,7 @@ class Werewolf:
         # If multiple games, panic
         for game in self.games.values():
             if await game.get_player_by_member(ctx.author):
-                break #game = game
+                break  # game = game
         else:
             await ctx.send("You're not part of any werewolf game")
             return