Update src/app/core/runtime/rqs_generator.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: GioeleB00

src/app/core/runtime/rqs_generator.py

@@ -76,7 +76,7 @@ def _requests_generator(self) -> Generator[float, None, None]:
         * Otherwise the default Poisson-Poisson sampler is returned.
 
         """
-        dist = self.rqs_generator_data.avg_active_users.distribution.lower()
+        dist = self.rqs_generator_data.avg_active_users.distribution
 
         if dist == Distribution.NORMAL:
             #Gaussian-Poisson model