Fix sphinx build warning/error.

Author: drvinceknight

axelrod/strategies/lookerup.py

@@ -33,21 +33,19 @@ class LookerUp(Player):
 
     where m and n are both zero. Tit-For-Tat is given by:
 
-        {('', 'C', 'D'): D,
-         ('', 'D', 'D'): D,
-         ('', 'C', 'C'): C,
-         ('', 'D', 'C'): C,
-        }
+       {('', 'C', 'D'): D,
+        ('', 'D', 'D'): D,
+        ('', 'C', 'C'): C,
+        ('', 'D', 'C'): C}
 
     where m=1 and n=0.
 
     Lookup tables where the action depends on the opponent's first actions (as
     opposed to most recent actions) will have a non-empty first string in the
     tuple. For example, this fragment of a dict:
 
-        {('C', 'C', 'C'): C,
-         ('D', 'C', 'C'): D,
-        }
+       {('C', 'C', 'C'): C,
+        ('D', 'C', 'C'): D}
 
     states that if self and opponent both cooperated on the previous turn, we
     should cooperate this turn unless the opponent started by defecting, in
@@ -57,9 +55,9 @@ class LookerUp(Player):
     (so m or n are greater than 1), simply concatenate the strings together.
     Below is an incomplete example where m=3 and n=2.
 
-        {('CC', 'CDD', 'CCC'): C,
-         ('CD', 'CCD', 'CCC'): D,
-        }
+       {('CC', 'CDD', 'CCC'): C,
+        ('CD', 'CCD', 'CCC'): D}
+
     """
 
     name = 'LookerUp'