Minor edits (#141)

* fix : generate method optimized

* doc : CHANGELOG updated

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Random mode modified
 - Test system modified
+- `generate` method optimized
 ## [0.8] - 2022-06-01
 ### Added
 - `INVALID_COLOR_TYPE_ERROR` error

samila/genimage.py

@@ -79,8 +79,7 @@ class GenerativeImage:
         self.data1 = []
         self.data2 = []
         range1 = list(float_range(self.start, self.stop, self.step))
-        range2 = list(float_range(self.start, self.stop, self.step))
-        range_prod = list(itertools.product(range1, range2))
+        range_prod = list(itertools.product(range1, range1))
         calc_exception = False
         for point in range_prod:
             if not fill_data(self, point):