Revert accidental push to develop.

changelog.d/11034.misc

-When installing the optional developer dependencies, also include the dependencies needed for type-checking and unit testing.

docs/development/contributing_guide.md

@@ -50,7 +50,7 @@ setup a *virtualenv*, as follows:
 cd path/where/you/have/cloned/the/repository
 python3 -m venv ./env
 source ./env/bin/activate
-pip install -e ".[all,dev]"
+pip install -e ".[all,lint,mypy,test]"
 pip install tox
 ```
 

setup.py

@@ -103,6 +103,15 @@ CONDITIONAL_REQUIREMENTS["lint"] = [
     "flake8",
 ]
 
+CONDITIONAL_REQUIREMENTS["dev"] = CONDITIONAL_REQUIREMENTS["lint"] + [
+    # The following are used by the release script
+    "click==7.1.2",
+    "redbaron==0.9.2",
+    "GitPython==3.1.14",
+    "commonmark==0.9.1",
+    "pygithub==1.55",
+]
+
 CONDITIONAL_REQUIREMENTS["mypy"] = [
     "mypy==0.910",
     "mypy-zope==0.3.2",
@@ -121,20 +130,6 @@ CONDITIONAL_REQUIREMENTS["mypy"] = [
 # parameterized_class decorator was introduced in parameterized 0.7.0
 CONDITIONAL_REQUIREMENTS["test"] = ["parameterized>=0.7.0"]
 
-CONDITIONAL_REQUIREMENTS["dev"] = (
-    CONDITIONAL_REQUIREMENTS["lint"]
-    + CONDITIONAL_REQUIREMENTS["mypy"]
-    + CONDITIONAL_REQUIREMENTS["test"]
-    + [
-        # The following are used by the release script
-        "click==7.1.2",
-        "redbaron==0.9.2",
-        "GitPython==3.1.14",
-        "commonmark==0.9.1",
-        "pygithub==1.55",
-    ]
-)
-
 setup(
     name="matrix-synapse",
     version=version,