style: added verbose coding of in_place catalog filtering

fix: bypassed a pycsep error where sometimes CartesianGrid2D are not imported with a proper dh

Author: pabloitu

floatcsep/utils.py

@@ -220,9 +220,11 @@ def read_region_cfg(region_config, **kwargs):
                 except ValueError:
                     data = numpy.array([re.split(r'\s+|,', i.strip()) for i in
                                         parsed_region[1:]], dtype=float)
-                dh1 = scipy.stats.mode(np.diff(np.unique(data[:, 0]))).mode
-                dh2 = scipy.stats.mode(np.diff(np.unique(data[:, 1]))).mode
-                dh = np.min([dh1, dh2])
+                dh1 = scipy.stats.mode(
+                    numpy.diff(numpy.unique(data[:, 0]))).mode
+                dh2 = scipy.stats.mode(
+                    numpy.diff(numpy.unique(data[:, 1]))).mode
+                dh = numpy.nanmin([dh1, dh2])
                 region = CartesianGrid2D.from_origins(data,
                                                       name=region_data,
                                                       magnitudes=magnitudes,