Merge pull request #155 from JanisHe/bugfix/ordinal_parameters

added if clause for more than two given ordinal parameters

propulate/propagators/base.py

@@ -537,7 +537,10 @@ def __call__(self, *inds: Individual) -> Individual:  # type: ignore[override]
                 if isinstance(
                     self.limits[limit][0], int
                 ):  # If ordinal trait of type integer.
-                    position[limit] = self.rng.randint(*self.limits[limit])
+                    if len(self.limits[limit]) == 2:  # Selecting one value in range of ordinal parameter
+                        position[limit] = self.rng.randint(*self.limits[limit])
+                    else:  # Selecting one distinct value from ordinal parameters
+                        position[limit] = self.rng.choice(self.limits[limit])
                 elif isinstance(
                     self.limits[limit][0], float
                 ):  # If interval trait of type float.