updated deepcopy

Author: kujaku11

mtpy/core/mt_data.py

@@ -211,7 +211,7 @@ def clone_empty(self):
 
         md = MTData()
         for attr in self._copy_attrs:
-            setattr(self, attr, deepcopy(getattr(self, attr)))
+            setattr(md, attr, deepcopy(getattr(self, attr)))
 
         return md
 

tests/core/test_mt_data.py

@@ -57,9 +57,22 @@ def test_neq(self):
 
         self.assertNotEqual(self.md, md)
 
+    def test_deep_copy(self):
+        md = self.md.copy()
+        self.assertEqual(self.md, md)
+
     def test_utm_epsg(self):
         self.assertEqual(self.md.utm_epsg, self.utm_epsg)
 
+    def test_clone_empty(self):
+        md_empty = self.md.clone_empty()
+
+        for attr in self.md._copy_attrs:
+            with self.subTest(attr):
+                self.assertEqual(
+                    getattr(self.md, attr), getattr(md_empty, attr)
+                )
+
     def test_initialization_utm_epsg_no_mt_list(self):
         md = MTData(utm_epsg=self.utm_epsg)
         self.assertEqual(self.md.utm_epsg, self.utm_epsg)