Merge pull request #103 from philtweir/patch-1

Minor typo

Author: ahmedfgad

pygad.py

@@ -260,7 +260,7 @@ def __init__(self,
         if initial_population is None:
             if (sol_per_pop is None) or (num_genes is None):
                 self.valid_parameters = False
-                raise ValueError("Error creating the initail population\n\nWhen the parameter initial_population is None, then neither of the 2 parameters sol_per_pop and num_genes can be None at the same time.\nThere are 2 options to prepare the initial population:\n1) Create an initial population and assign it to the initial_population parameter. In this case, the values of the 2 parameters sol_per_pop and num_genes will be deduced.\n2) Allow the genetic algorithm to create the initial population automatically by passing valid integer values to the sol_per_pop and num_genes parameters.")
+                raise ValueError("Error creating the initial population\n\nWhen the parameter initial_population is None, then neither of the 2 parameters sol_per_pop and num_genes can be None at the same time.\nThere are 2 options to prepare the initial population:\n1) Create an initial population and assign it to the initial_population parameter. In this case, the values of the 2 parameters sol_per_pop and num_genes will be deduced.\n2) Allow the genetic algorithm to create the initial population automatically by passing valid integer values to the sol_per_pop and num_genes parameters.")
             elif (type(sol_per_pop) is int) and (type(num_genes) is int):
                 # Validating the number of solutions in the population (sol_per_pop)
                 if sol_per_pop <= 0: