adding missing assets in the distribution

Author: crazyeng

MANIFEST.in

@@ -1,3 +1,7 @@
 include LICENSE PacletInfo.m run.py
 recursive-include wolframwebengine *.m
+recursive-include wolframwebengine *.wl
+recursive-include wolframwebengine *.wxf
+recursive-include wolframwebengine *.mx
+recursive-include wolframwebengine *.json
 recursive-include wolframwebengine/tests *.py

setup.py

@@ -27,10 +27,10 @@ def load_tests():
     keywords=['Wolfram Language', 'Wolfram Desktop', 'Mathematica', 'Web Development', 'Wolfram Web Engine'],
     author = 'Wolfram Research, Riccardo Di Virgilio',
     author_email = 'support@wolfram.com, riccardod@wolfram.com',
-    include_package_data=True,
     packages=find_packages(),
     test_suite='setup.load_tests',
     python_requires='>=3.5.3',
+    include_package_data=True,
     install_requires = [
         'wolframclient>=1.1.0',
         'aiohttp>=3.5.4'

wolframwebengine/cli/commands/benchmark_server.py

@@ -5,8 +5,8 @@
 
 from wolframclient.cli.utils import SimpleCommand
 from wolframclient.serializers import export
-from wolframclient.utils.api import aiohttp
-from wolframclient.utils.asyncio import run_in_loop, wait_all
+from wolframclient.utils.api import aiohttp, asyncio
+from wolframclient.utils.asyncio import run_in_loop
 from wolframclient.utils.encoding import force_text
 from wolframclient.utils.functional import iterate
 
@@ -62,7 +62,7 @@ def generate_tasks(self, requests, clients, url):
     @run_in_loop
     async def wait_for_tasks(self, requests, clients, url):
         # Wait for all of the coroutines to finish.
-        results = await wait_all(self.generate_tasks(requests, clients, url))
+        results = await asyncio.gather(*self.generate_tasks(requests, clients, url))
         results = tuple(iterate(*results))
         return results