Closes #388

jrkerns · May 11, 2021 · d748dea · d748dea
1 parent d5f8d73
commit d748dea
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diff --git a/pylinac/planar_imaging.py b/pylinac/planar_imaging.py
@@ -362,6 +362,7 @@ def results(self) -> str:
                      f'MTF 50% (lp/mm): {self.mtf.relative_resolution(50):2.2f}',
                      f'MTF 30% (lp/mm): {self.mtf.relative_resolution(30):2.2f}',
             ]
+        text = '\n'.join(text)
         return text
 
     def publish_pdf(self, filename: str, notes: str=None, open_file: bool=False, metadata: Optional[dict]=None):

diff --git a/tests_basic/test_planar_imaging.py b/tests_basic/test_planar_imaging.py
@@ -54,7 +54,7 @@ def test_mtf(self):
             self.assertAlmostEqual(self.mtf_50, self.instance.mtf.relative_resolution(50), delta=0.3)
 
     def test_results(self):
-        self.instance.results()
+        self.assertIsInstance(self.instance.results(), str)
 
 
 class LeedsDemo(PlanarPhantomMixin, TestCase):