Bugfix : wrong local values in Optics

tracking/optics.py

@@ -66,11 +66,11 @@ class Optics:
             self.use_local_values = False
             self.load_from_AT(lattice_file, **kwargs)
             if local_beta is None:
-                self.local_beta = np.mean(self.beta_array)
+                self.local_beta = np.mean(self.beta_array, axis=1)
             else:
                 self.local_beta = local_beta
             if local_alpha is None:
-                self.local_alpha = np.mean(self.alpha_array)
+                self.local_alpha = np.mean(self.alpha_array, axis=1)
             else:
                 self.local_alpha = local_alpha
             if local_dispersion is None: