Merge pull request #38 from jbweston/feature/parallel

enable parallel execution

Author: akhmerov

jupyter_sphinx/execute.py

@@ -526,4 +526,7 @@ def skip(self, node):
     app.add_lexer('ipythontb', IPythonTracebackLexer())
     app.add_lexer('ipython', IPython3Lexer())
 
-    return {'version': __version__}
+    return {
+        'version': __version__,
+        'parallel_read_safe': True,
+    }