Merge pull request #30 from scverse/ig/fix_tests

(fix): fix tests really

src/multi_condition_comparisions/tl/de.py

@@ -75,6 +75,8 @@ def _check_count_matrix(self, array: np.ndarray | spmatrix, tolerance: float = 1
         else:
             if not array.dtype.kind == "i" or not np.all(np.abs(array - np.round(array)) < tolerance):
                 raise ValueError("Matrix must be a count matrix.")
+        if (array < 0).sum() > 0:
+            raise ValueError("Non.zero elements of the matrix must be postiive.")
 
         return True
 

tests/test_edge_cases.py

@@ -24,7 +24,7 @@ def test_valid_count_matrix(statsmodels_stub):
 
 def test_valid_sparse_count_matrix(statsmodels_stub):
     """Test with a valid sparse count matrix."""
-    matrix = sp.csr_matrix([[1, 0], [0, 2]])
+    matrix = sp.sparse.csr_matrix([[1, 0], [0, 2]])
     assert statsmodels_stub._check_count_matrix(matrix)