code factor

Author: andped10

src/easyreflectometry/project.py

@@ -454,7 +454,7 @@ def _timestamp_modification(self):
     def free_parameters_count(self) -> int:
         count = 0
         for parameter in self.parameters:
-            if parameter.free:
+            if parameter.free is True:
                 count = count + 1
         return count