Update setup.py

Author: BFergerson

setup.py

@@ -9,7 +9,8 @@
       author_email='[email protected]',
       license='Apache License, Version 2.0',
       packages=setuptools.find_packages(),
-      install_requires=['apache-skywalking>=0.7.0',
+      install_requires=['vertx-eventbus-client>=1.0.0',
+                        'apache-skywalking>=0.7.0',
                         'nopdb>=0.1.0',
                         'pyhumps>=3.0.2',
                         'PyYAML>=6.0'])