Fix invalid syntax produced by nose2pytest

Author: emilazy

test/test_predict_scan_command.py

@@ -50,7 +50,7 @@ def test_fasta():
 
     assert (
         result.best_allele.nunique() ==
-        6), err_msg=str(list(result.best_allele.unique()))
+        6), str(list(result.best_allele.unique()))
     assert result.sequence_name.nunique() == 3
     assert_array_less(result.affinity_percentile, 2.0)
 
@@ -132,4 +132,4 @@ def test_commandline_sequences():
     assert result.best_allele.nunique() == 3
     assert result.sample_name.nunique() == 2
     assert (result.peptide == "ASDFGHKL").sum() == 2
-    assert (result.peptide != "ASDFGHKL").sum() == 10
+    assert (result.peptide != "ASDFGHKL").sum() == 10