test/func: improving readability

Author: Luiskitsu

src/diffpy/morph/morphs/morphfuncy.py

@@ -37,18 +37,22 @@ def morph(self, x_morph, y_morph, x_target, y_target):
         -------
         Import the funcy morph function:
         >>> from diffpy.morph.morphs.morphfuncy import MorphFuncy
+
         Define or import the user-supplied transformation function:
         >>> def sine_function(x, y, amplitude, frequency):
         >>>     return amplitude * np.sin(frequency * x) * y
+
         Provide initial guess for parameters:
         >>> parameters = {'amplitude': 2, 'frequency': 2}
+
         Run the funcy morph given input morph array (x_morph, y_morph)
         and target array (x_target, y_target):
         >>> morph = MorphFuncy()
         >>> morph.function = sine_function
         >>> morph.parameters = parameters
-        >>> x_morph_out, y_morph_out, x_target_out, y_target_out = morph(
+        >>> x_morph_out, y_morph_out, x_target_out, y_target_out = morph.morph(
         ...     x_morph, y_morph, x_target, y_target)
+
         To access parameters from the morph instance:
         >>> x_morph_in = morph.x_morph_in
         >>> y_morph_in = morph.y_morph_in
@@ -61,5 +65,4 @@ def morph(self, x_morph, y_morph, x_target, y_target):
         self.y_morph_out = self.function(
             self.x_morph_in, self.y_morph_in, **self.parameters
         )
-
         return self.xyallout

tests/test_morphfuncy.py

@@ -67,6 +67,7 @@ def test_funcy(function, parameters, expected_function):
     x_morph_actual, y_morph_actual, x_target_actual, y_target_actual = (
         morph.morph(x_morph, y_morph, x_target, y_target)
     )
+
     assert np.allclose(y_morph_actual, y_morph_expected)
     assert np.allclose(x_morph_actual, x_morph_expected)
     assert np.allclose(x_target_actual, x_target)