Added self to parameters

src/fitness_examples/Fitness_Examples.py

@@ -1,4 +1,4 @@
-def is_it_5(chromosome):
+def is_it_5(self, chromosome):
     """A very simple case test function - If the chromosome's gene value
     is equal to 5 add one to the chromosomes overall fitness value.
     """
@@ -15,7 +15,7 @@ def is_it_5(chromosome):
     return fitness
 
 
-def near_5(chromosome):
+def near_5(self, chromosome):
     """Test's the GA's ability to handle floats. Computes how close each gene is to 5."""
 
     # Overall fitness value
@@ -29,7 +29,7 @@ def near_5(chromosome):
     return fitness
 
 
-def index_dependent_values(chromosome):
+def index_dependent_values(self, chromosome):
     """Test of the GA's ability to improve fitness when the value is index-dependent.
     If a gene is equal to its index in the chromosome + 1, fitness is incremented.
     """