Merge r241759 - pytest is not correctly auto-installed

https://bugs.webkit.org/show_bug.cgi?id=194707

Patch by Pablo Saavedra <psaavedra@igalia.com> on 2019-02-19
Reviewed by Carlos Garcia Campos.

* Scripts/webkitpy/thirdparty/__init__.py:
(AutoinstallImportHook._install_pytest):

Tools/ChangeLog

@@ -1,3 +1,13 @@
+2019-02-19  Pablo Saavedra  <psaavedra@igalia.com>
+
+        pytest is not correctly auto-installed
+        https://bugs.webkit.org/show_bug.cgi?id=194707
+
+        Reviewed by Carlos Garcia Campos.
+
+        * Scripts/webkitpy/thirdparty/__init__.py:
+        (AutoinstallImportHook._install_pytest):
+
 2019-02-18  Tadeu Zagallo  <tzagallo@apple.com>
 
         Bytecode cache should a have a boot-specific validation

Tools/Scripts/webkitpy/thirdparty/__init__.py

@@ -158,6 +158,8 @@ def _install_pytest(self):
                               "attrs-18.1.0/src/attr")
         self._install("https://files.pythonhosted.org/packages/a2/ec/415d0cccc1ed41cd7fdf69ad989da16a8d13057996371004cab4bafc48f3/pytest-3.6.2.tar.gz",
                               "pytest-3.6.2/src/_pytest")
+        self._install("https://files.pythonhosted.org/packages/a2/ec/415d0cccc1ed41cd7fdf69ad989da16a8d13057996371004cab4bafc48f3/pytest-3.6.2.tar.gz",
+                              "pytest-3.6.2/src/pytest.py")
 
     def _install_pylint(self):
         self._ensure_autoinstalled_dir_is_in_sys_path()