added a test for when the indirect is just a string

CHANGELOG.rst

@@ -145,9 +145,7 @@ time or change existing behaviors in order to make them less surprising/more use
 * Allow passing a custom debugger class (e.g. ``--pdbcls=IPython.core.debugger:Pdb``).
   Thanks to `@anntzer`_ for the PR.
 
-
+*
-* Better message in case of not using parametrized variable (see `#1539`_).
-  Thanks to `@tramwaj29`_ for the PR.
 
 *
 
@@ -234,6 +232,9 @@ time or change existing behaviors in order to make them less surprising/more use
 
 * ``optparse`` backward compatibility supports float/complex types (`#457`_).
 
+* Better message in case of not using parametrized variable (see `#1539`_).
+  Thanks to `@tramwaj29`_ for the PR.
+
 *
 
 *

_pytest/python.py

@@ -804,7 +804,7 @@ class Metafunc(fixtures.FuncargnamesCompatAttr):
                 if isinstance(indirect, (tuple, list)):
                     name = 'fixture' if arg in indirect else 'argument'
                 else:
-                    name = 'fixture' if indirect is True else 'argument'
+                    name = 'fixture' if indirect else 'argument'
                 raise ValueError(
                     "%r uses no %s %r" % (
                             self.function, name, arg))

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("""