Update pyrocomp.invert_transform

pyrolite/comp/__init__.py

@@ -344,4 +344,4 @@ def invert_transform(self, **kwargs):
             raise ValueError("DataFrame has no transform history.")
 
         _invert_method = getattr(self, inv_tfm.__name__)
-        return geattr(self._obj, _invert_method)(**kwargs)
+        return _invert_method(**kwargs)

pyrolite/comp/codata.py

@@ -333,7 +333,6 @@ def get_transforms(name):
     tfm, inv_tfm : :class:`callable`
         Transform and inverse transform functions.
     """
-    print(name)
     if callable(name):  #  callable
         name = name.__name__
 

test/comp/comp_pyrocomp.py

@@ -96,6 +96,14 @@ def test_logratiomean_default(self):
         df = self.tridf.copy(deep=True)  # copy df
         out = df.pyrocomp.logratiomean()
 
+    def test_invert_transform(self):
+        df = self.tridf.copy(deep=True)  # copy df
+        for tfm in [df.pyrocomp.ALR, df.pyrocomp.CLR, df.pyrocomp.ILR]:
+            with self.subTest(tfm=tfm):
+                out = tfm()
+                out_inv = out.pyrocomp.invert_transform()
+                self.assertTrue(np.allclose(out_inv.values, df.values))
+
 
 if __name__ == "__main__":
     unittest.main(argv=[""], exit=False)