Prepare next patch release

Bump version number and remove duplicate README.rst

Author: Cito

README.rst

@@ -1,6 +1,6 @@
 [flake8]
-exclude = tests,scripts,setup.py,docs
-max-line-length = 160
+exclude = docs
+max-line-length = 88
 
 [isort]
 known_first_party=graphql_server

setup.cfg

@@ -4,9 +4,10 @@
 
 setup(
     name="graphql-server-core",
-    version="1.1.1",
+    version="1.1.2",
     description="GraphQL Server tools for powering your server",
-    long_description=open("README.rst").read(),
+    long_description=open("README.md").read(),
+    long_description_content_type="text/markdown",
     url="https://github.com/graphql-python/graphql-server-core",
     download_url="https://github.com/graphql-python/graphql-server-core/releases",
     author="Syrus Akbary",
@@ -30,7 +31,7 @@
     keywords="api graphql protocol rest",
     packages=find_packages(exclude=["tests"]),
     install_requires=required_packages,
-    tests_require=["pytest>=3.0"],
+    tests_require=["pytest>=3.0,<4"],
     include_package_data=True,
     zip_safe=False,
     platforms="any",

setup.py

@@ -28,7 +28,7 @@ commands =
 basepython=python3.7
 deps =
     isort
-    graphql-core>=2.1
+    graphql-core>=2.1,<3
 commands =
     isort -rc graphql_server/ tests/