fixed error in testing

Author: ValentinGebhart

climada/engine/impact.py

@@ -570,7 +570,7 @@ def local_exceedance_impact(
         test_frequency = 1 / np.array(return_periods)
 
         exceedance_impact = np.full(
-            (self.imp_mat.shape[1], test_frequency.shape[0]),
+            (self.imp_mat.shape[1], len(test_frequency)),
             np.nan if method == "interpolate" else 0.0,
         )
 

climada/hazard/base.py

@@ -557,7 +557,7 @@ def local_exceedance_intensity(
         test_frequency = 1 / np.array(return_periods)
 
         exceedance_intensity = np.full(
-            (self.intensity.shape[1], test_frequency.shape[0]),
+            (self.intensity.shape[1], len(test_frequency)),
             np.nan if method == "interpolate" else 0.0,
         )
 
@@ -687,7 +687,7 @@ def local_return_period(
             raise ValueError(f"Unknown method: {method}")
 
         return_periods = np.full(
-            (self.intensity.shape[1], threshold_intensities.shape[0]), np.nan
+            (self.intensity.shape[1], len(threshold_intensities)), np.nan
         )
 
         nonzero_centroids = np.where(self.intensity.getnnz(axis=0) > 0)[0]