Fixed __init__ and chromosome errors

Fixed __init__ and chromosome errors

src/initialization/__init__.py

@@ -1,3 +1,5 @@
 # FROM (. means local) file_name IMPORT function_name
 from .initialization_methods import Initialization_Methods
-
+from .gene_structure.gene import Gene
+from .chromosome_structure.chromosome import Chromosome
+from .population_structure.population import Population

src/initialization/chromosome_structure/chromosome.py

@@ -3,7 +3,7 @@ class Chromosome:
         if gene_list is None:
             self.gene_list = []
         else:
-            self.gene_list = genes
+            self.gene_list = gene_list
 
         self.fitness = None
         # If the chromosome has been selected then the flag would switch to true