Update comments

Author: Luke Shaw

src/blosc2/lazyexpr.py

@@ -2789,7 +2789,9 @@ def _new_expr(cls, expression, operands, guess, out=None, where=None, ne_args=No
                 # if new_expr has where_args, must have come from where(...) - or possibly where(where(..
                 # since 5*where, where + ...  are evaluated eagerly
                 if hasattr(new_expr, "_where_args"):
-                    st = expression_.find("where(") + 6  # could probably just be set = 6
+                    st = (
+                        expression_.find("where(") + 6
+                    )  # expr always begins where( - could just set = 6 probably
                     finalexpr = ""
                     counter = 0
                     for char in expression_[st:]:  # get rid of external where(...)

tests/ndarray/test_lazyexpr_fields.py

@@ -258,12 +258,12 @@ def test_lazy_where(array_fixture):
     nres = ne_evaluate("where(where(na2 < 0, 3, na2) > 3, 10, na1)")
     np.testing.assert_allclose(res[:], nres)
 
-    # Test 4: muliplied wheres
+    # Test 4: multiplied wheres
     # Test with string expression
-    expr = blosc2.lazyexpr("1*where(a2 < 0, 3, a2)")
+    expr = blosc2.lazyexpr("1 * where(a2 < 0, 3, a2)")
     # Test with eval
     res = expr.compute()
-    nres = ne_evaluate("1*where(na2 < 0, 3, na2)")
+    nres = ne_evaluate("1 * where(na2 < 0, 3, na2)")
     np.testing.assert_allclose(res[:], nres)