Improve wavelength warning msg

bobleesj · bobleesj · commit 69aa7c7665b1 · 2024-12-14T11:25:03.000-05:00
diff --git a/src/diffpy/utils/transforms.py b/src/diffpy/utils/transforms.py
@@ -7,7 +7,7 @@
     "No wavelength has been specified. You can continue to use the DiffractionObject, but "
     "some of its powerful features will not be available. "
     "To specify a wavelength, if you have do = DiffractionObject(xarray, yarray, 'tth'), "
-    "you may set do.wavelength = 1.54 with the unit in angstroms."
+    "you may set do.wavelength = 1.54 for a wavelength of 1.54 angstroms."
 )
 invalid_tth_emsg = "Two theta exceeds 180 degrees. Please check the input values for errors."
 invalid_q_or_d_or_wavelength_emsg = (
diff --git a/tests/test_transforms.py b/tests/test_transforms.py
@@ -29,7 +29,7 @@ def test_q_to_tth(wavelength, q, expected_tth):
         "No wavelength has been specified. You can continue to use the DiffractionObject, but "
         "some of its powerful features will not be available. "
         "To specify a wavelength, if you have do = DiffractionObject(xarray, yarray, 'tth'), "
-        "you may set do.wavelength = 1.54 with the unit in angstroms."
+        "you may set do.wavelength = 1.54 for a wavelength of 1.54 angstroms."
     )
     if wavelength is None:
         with pytest.warns(UserWarning, match=re.escape(wavelength_warning_emsg)):

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`"No wavelength has been specified. You can continue to use the DiffractionObject, but "`
`8`	`8`	`"some of its powerful features will not be available. "`
`9`	`9`	`"To specify a wavelength, if you have do = DiffractionObject(xarray, yarray, 'tth'), "`
`10`		`- "you may set do.wavelength = 1.54 with the unit in angstroms."`
	`10`	`+ "you may set do.wavelength = 1.54 for a wavelength of 1.54 angstroms."`
`11`	`11`	`)`
`12`	`12`	`invalid_tth_emsg = "Two theta exceeds 180 degrees. Please check the input values for errors."`
`13`	`13`	`invalid_q_or_d_or_wavelength_emsg = (`
Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ def test_q_to_tth(wavelength, q, expected_tth):`
`29`	`29`	`"No wavelength has been specified. You can continue to use the DiffractionObject, but "`
`30`	`30`	`"some of its powerful features will not be available. "`
`31`	`31`	`"To specify a wavelength, if you have do = DiffractionObject(xarray, yarray, 'tth'), "`
`32`		`- "you may set do.wavelength = 1.54 with the unit in angstroms."`
	`32`	`+ "you may set do.wavelength = 1.54 for a wavelength of 1.54 angstroms."`
`33`	`33`	`)`
`34`	`34`	`if wavelength is None:`
`35`	`35`	`with pytest.warns(UserWarning, match=re.escape(wavelength_warning_emsg)):`