Use slave_build instead of checkout in run/api.py

infra/bots/recipe_modules/run/api.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # pylint: disable=W0201
 
 
 from recipe_engine import recipe_api
 
@@ skipping 44 matching lines @@
     return self.m.file.read(name, filename, infra_step=True, *args, **kwargs)
 
   def writefile(self, filename, contents):
     """Convenience function for writing files."""
     return self.m.file.write('write %s' % self.m.path.basename(filename),
                              filename, contents, infra_step=True)
 
   def rmtree(self, path):
     """Wrapper around api.file.rmtree with environment fix."""
     env = {}
-    env['PYTHONPATH'] = str(self.m.path['checkout'].join(
-        'infra', 'bots', '.recipe_deps', 'build', 'scripts'))
+    env['PYTHONPATH'] = str(self.m.path['slave_build'].join(
+        'skia', 'infra', 'bots', '.recipe_deps', 'build', 'scripts'))
     self.m.file.rmtree(self.m.path.basename(path),
                        path,
                        env=env,
                        infra_step=True)
 
   def __call__(self, steptype, name, abort_on_failure=True,
                fail_build_on_failure=True, env=None, **kwargs):
     """Run a step. If it fails, keep going but mark the build status failed."""
     env = dict(env or {})
     env.update(self.m.vars.default_env)
@@ skipping 56 matching lines @@
 print json.dumps({'ccache': ccache})
 ''',
             stdout=self.m.json.output(),
             infra_step=True,
             abort_on_failure=False,
             fail_build_on_failure=False)
         if result and result.stdout and result.stdout.get('ccache'):
           self._ccache = result.stdout['ccache']
 
     return self._ccache