Fix runtests.py

Fix runtests.py: handle FileNotFoundError when removing
pyperformance.egg-info.

Author: vstinner

runtests.py

@@ -43,7 +43,10 @@ def run_bench(*cmd):
 
     egg_info = "pyperformance.egg-info"
     print("Remove directory %s" % egg_info)
-    shutil.rmtree(egg_info)
+    try:
+        shutil.rmtree(egg_info)
+    except FileNotFoundError:
+        pass
 
     run_bench(python, script, 'venv')
 

setup.py

@@ -22,6 +22,8 @@
 #  - git push
 #  - check Travis CI status:
 #    https://travis-ci.org/python/pyperformance
+#  - check AppVeyor status:
+#    https://ci.appveyor.com/project/lazka/pyperformance-rdqv8
 #
 # Release a new version:
 #