added a test for when the indirect is just a string

testing/python/metafunc.py

@@ -417,6 +417,23 @@ class TestMetafunc:
             "*uses no fixture 'y'*",
         ])
 
+    @pytest.mark.issue714
+    def test_parametrize_indirect_uses_no_fixture_error_indirect_string(self, testdir):
+        testdir.makepyfile("""
+            import pytest
+            @pytest.fixture(scope='function')
+            def x(request):
+                return request.param * 3
+
+            @pytest.mark.parametrize('x, y', [('a', 'b')], indirect='y')
+            def test_simple(x):
+                assert len(x) == 3
+        """)
+        result = testdir.runpytest("--collect-only")
+        result.stdout.fnmatch_lines([
+            "*uses no fixture 'y'*",
+        ])
+
     @pytest.mark.issue714
     def test_parametrize_indirect_uses_no_fixture_error_indirect_list(self, testdir):
         testdir.makepyfile("""