Format shell commands in README consistently (#5100)

gward · web-flow · commit 4aa8b4bd9d1b · 2021-03-22T19:14:46.000-07:00
Any command that includes the "(.venv3) $" prompt is hard to read when
it's set inline. So put them all into triple-backtick blocks.
diff --git a/README.md b/README.md
@@ -137,7 +137,10 @@ If you want to run the pyright tests, you need to have
 ### mypy_test.py
 
 This test requires Python 3.6 or higher; Python 3.6.1 or higher is recommended.
-Run using:`(.venv3)$ python3 tests/mypy_test.py`
+Run using:
+```
+(.venv3)$ python3 tests/mypy_test.py
+```
 
 This test is shallow — it verifies that all stubs can be
 imported but doesn't check whether stubs match their implementation
@@ -161,7 +164,10 @@ running mypy --python-version 3.9 --strict-optional # with 342 files
 This test requires Python 2.7 and Python 3.6. Pytype will
 find these automatically if they're in `PATH`, but otherwise you must point to
 them with the `--python27-exe` and `--python36-exe` arguments, respectively.
-Run using: `(.venv3)$ python3 tests/pytype_test.py`
+Run using:
+```
+(.venv3)$ python3 tests/pytype_test.py
+```
 
 This test works similarly to `mypy_test.py`, except it uses `pytype`.
 
@@ -172,27 +178,39 @@ This test requires Node.js to be installed.
 ### mypy_self_check.py
 
 This test requires Python 3.6 or higher; Python 3.6.1 or higher is recommended.
-Run using: `(.venv3)$ python3 tests/mypy_self_check.py`
+Run using:
+```
+(.venv3)$ python3 tests/mypy_self_check.py
+```
 
 This test checks mypy's code base using mypy and typeshed code in this repo.
 
 ### mypy_test_suite.py
 
 This test requires Python 3.5 or higher; Python 3.6.1 or higher is recommended.
-Run using: `(.venv3)$ python3 tests/mypy_test_suite.py`
+Run using:
+```
+(.venv3)$ python3 tests/mypy_test_suite.py
+```
 
 This test runs mypy's own test suite using the typeshed code in your repo. This
 will sometimes catch issues with incorrectly typed stubs, but is much slower
 than the other tests.
 
 ### check_consistent.py
 
-Run using: `python3 tests/check_consistent.py`
+Run using:
+```
+python3 tests/check_consistent.py
+```
 
 ### stubtest_test.py
 
 This test requires Python 3.6 or higher.
-Run using `(.venv3)$ python3 tests/stubtest_test.py`
+Run using
+```
+(.venv3)$ python3 tests/stubtest_test.py
+```
 
 This test compares the stdlib stubs against the objects at runtime. Because of
 this, the output depends on which version of Python and on what kind of system
@@ -209,13 +227,20 @@ can add to the whitelists for each affected Python version in
 at [mypy](https://github.com/python/mypy/issues).
 
 To run stubtest against third party stubs, it's easiest to use stubtest
-directly, with `(.venv3)$ python3 -m mypy.stubtest --custom-typeshed-dir
-<path-to-typeshed> <third-party-module>`.
+directly, with
+```
+(.venv3)$ python3 -m mypy.stubtest \
+  --custom-typeshed-dir <path-to-typeshed> \
+  <third-party-module>
+```
 stubtest can also help you find things missing from the stubs.
 
 
 ### flake8
 
-flake8 requires Python 3.6 or higher. Run using: `(.venv3)$ flake8`
+flake8 requires Python 3.6 or higher. Run using:
+```
+(.venv3)$ flake8
+```
 
 Note typeshed uses the `flake8-pyi` and `flake8-bugbear` plugins.
