Dependency Update (#2175)

##### Core requirements
* _discord.py_ Rapptz/discord.py@77239e4 -> Rapptz/discord.py@836ae73
* _aiohttp-json-rpc_ 0.11.1 -> 0.11.2
* _aiohttp_ 3.3.2 -> 3.4.4

##### [test]
* _pytest_ 3.8.1 -> 3.8.2

##### [docs]
* _packaging_ 17.1 -> 18.0
* _pyparsing_ 2.2.1 -> 2.2.2
* _six_ Removed duplicate entry

##### [style]
* _black_ 18.6b4 -> 18.9b0
* _click_ 6.7 -> 7.0

### Notes
- `extra_requires` in setup.py is now a module-level global
- Some style changes have occurred after the _black_ update

Signed-off-by: Toby Harradine <tobyharradine@gmail.com>

setup.py

@@ -5,9 +5,9 @@ import tempfile
 from distutils.errors import CCompilerError, DistutilsPlatformError
 from setuptools import setup, find_packages
 
-requirements = [
-    "aiohttp-json-rpc==0.11.1",
-    "aiohttp==3.3.2",
+install_requires = [
+    "aiohttp-json-rpc==0.11.2",
+    "aiohttp==3.4.4",
     "appdirs==1.4.3",
     "async-timeout==3.0.0",
     "attrs==18.2.0",
@@ -28,6 +28,42 @@ requirements = [
     "yarl==1.2.6",
 ]
 
+extras_require = {
+    "test": [
+        "atomicwrites==1.2.1",
+        "more-itertools==4.3.0",
+        "pluggy==0.7.1",
+        "py==1.6.0",
+        "pytest==3.8.2",
+        "pytest-asyncio==0.9.0",
+        "six==1.11.0",
+    ],
+    "mongo": ["motor==2.0.0", "pymongo==3.7.1", "dnspython==1.15.0"],
+    "docs": [
+        "alabaster==0.7.11",
+        "babel==2.6.0",
+        "certifi==2018.8.24",
+        "docutils==0.14",
+        "imagesize==1.1.0",
+        "Jinja2==2.10",
+        "MarkupSafe==1.0",
+        "packaging==18.0",
+        "pyparsing==2.2.2",
+        "Pygments==2.2.0",
+        "pytz==2018.5",
+        "requests==2.19.1",
+        "urllib3==1.23",
+        "six==1.11.0",
+        "snowballstemmer==1.2.1",
+        "sphinx==1.7.9",
+        "sphinx_rtd_theme==0.4.1",
+        "sphinxcontrib-asyncio==0.2.0",
+        "sphinxcontrib-websupport==1.1.0",
+    ],
+    "voice": ["red-lavalink==0.1.2"],
+    "style": ["black==18.9b0", "click==7.0", "toml==0.9.6"],
+}
+
 python_requires = ">=3.6.2,<3.8"
 if os.name == "nt":
     # Due to issues with ProactorEventLoop prior to 3.6.6 (bpo-26819)
@@ -62,12 +98,14 @@ def get_version():
 
 if __name__ == "__main__":
     if not check_compiler_available():
-        requirements.remove(
-            next(r for r in requirements if r.lower().startswith("python-levenshtein"))
+        install_requires.remove(
+            next(r for r in install_requires if r.lower().startswith("python-levenshtein"))
         )
 
     if "READTHEDOCS" in os.environ:
-        requirements.remove(next(r for r in requirements if r.lower().startswith("discord.py")))
+        install_requires.remove(
+            next(r for r in install_requires if r.lower().startswith("discord.py"))
+        )
 
     setup(
         name="Red-DiscordBot",
@@ -100,42 +138,7 @@ if __name__ == "__main__":
             "pytest11": ["red-discordbot = redbot.pytest"],
         },
         python_requires=python_requires,
-        install_requires=requirements,
+        install_requires=install_requires,
         dependency_links=get_dependency_links(),
-        extras_require={
-            "test": [
-                "atomicwrites==1.2.1",
-                "more-itertools==4.3.0",
-                "pluggy==0.7.1",
-                "py==1.6.0",
-                "pytest==3.8.1",
-                "pytest-asyncio==0.9.0",
-                "six==1.11.0",
-            ],
-            "mongo": ["motor==2.0.0", "pymongo==3.7.1", "dnspython==1.15.0"],
-            "docs": [
-                "alabaster==0.7.11",
-                "babel==2.6.0",
-                "certifi==2018.8.24",
-                "docutils==0.14",
-                "imagesize==1.1.0",
-                "Jinja2==2.10",
-                "MarkupSafe==1.0",
-                "packaging==17.1",
-                "pyparsing==2.2.1",
-                "six==1.11.0",
-                "Pygments==2.2.0",
-                "pytz==2018.5",
-                "requests==2.19.1",
-                "urllib3==1.23",
-                "six==1.11.0",
-                "snowballstemmer==1.2.1",
-                "sphinx==1.7.9",
-                "sphinx_rtd_theme==0.4.1",
-                "sphinxcontrib-asyncio==0.2.0",
-                "sphinxcontrib-websupport==1.1.0",
-            ],
-            "voice": ["red-lavalink==0.1.2"],
-            "style": ["black==18.6b4", "click==6.7", "toml==0.9.6"],
-        },
+        extras_require=extras_require,
     )