Update pip to 20.2.4

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Update pip from 20.1.1 to 20.2.4 for Python 2.7 and Python 3.5+ ([#1192](https://github.com/heroku/heroku-buildpack-python/pull/1192)).
 - Update wheel from 0.34.2 to 0.36.2 for Python 2.7 and Python 3.5+ ([#1191](https://github.com/heroku/heroku-buildpack-python/pull/1191)).
 - Support build environments where `$BUILD_DIR` is set to a symlink of `/app` ([#992](https://github.com/heroku/heroku-buildpack-python/pull/992)).
 

bin/steps/python

@@ -142,7 +142,7 @@ fi
 
 set -e
 
-PIP_VERSION='20.1.1'
+PIP_VERSION='20.2.4'
 # Must use setuptools <47.2.0 until we fix:
 # https://github.com/heroku/heroku-buildpack-python/issues/1006
 SETUPTOOLS_VERSION='47.1.1'

spec/hatchet/pip_spec.rb

@@ -20,7 +20,7 @@
         expect(clean_output(app.output)).to match(Regexp.new(<<~REGEX))
           remote: -----> Python app detected
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3
@@ -33,7 +33,7 @@
         expect(clean_output(app.output)).to include(<<~OUTPUT)
           remote: -----> Python app detected
           remote: -----> No change in requirements detected, installing from cache
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote: -----> Discovering process types
@@ -54,7 +54,7 @@
           remote: -----> Python app detected
           remote: -----> Requirements file has been changed, clearing cached dependencies
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3

spec/hatchet/pipenv_spec.rb

@@ -10,7 +10,7 @@
         remote: -----> Python app detected
         remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
         remote: -----> Installing python-#{python_version}
-        remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+        remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
         remote: -----> Installing dependencies with Pipenv 2020.11.15
         remote:        Installing dependencies from Pipfile.lock \\(.*\\)...
         remote: -----> Installing SQLite3
@@ -30,7 +30,7 @@
           remote:  !     No 'Pipfile.lock' found! We recommend you commit this into your repository.
           remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Installing dependencies from Pipfile...
           remote: -----> Installing SQLite3
@@ -48,7 +48,7 @@
           remote: -----> Python app detected
           remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Installing dependencies from Pipfile.lock \\(aad8b1\\)...
           remote: -----> Installing SQLite3
@@ -70,7 +70,7 @@
             remote:        Learn More: https://devcenter.heroku.com/articles/python-2-7-eol-faq
             remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
             remote: -----> Installing python-#{LATEST_PYTHON_2_7}
-            remote: -----> Installing pip 20.1.1, setuptools 44.1.1 and wheel 0.36.2
+            remote: -----> Installing pip 20.2.4, setuptools 44.1.1 and wheel 0.36.2
             remote: -----> Installing dependencies with Pipenv 2020.11.15
             remote:        Installing dependencies from Pipfile.lock \\(b8efa9\\)...
             remote: -----> Installing SQLite3
@@ -139,7 +139,7 @@
           remote:        Learn More: https://devcenter.heroku.com/articles/python-runtimes
           remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
           remote: -----> Installing python-3.9.1
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Installing dependencies from Pipfile.lock \\(e13df1\\)...
           remote: -----> Installing SQLite3
@@ -186,7 +186,7 @@
           remote: -----> Python app detected
           remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
           remote: -----> Installing python-#{LATEST_PYTHON_3_9}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Installing dependencies from Pipfile.lock \\(75eae0\\)...
           remote: -----> Installing SQLite3
@@ -203,7 +203,7 @@
         expect(clean_output(app.output)).to include(<<~OUTPUT)
           remote: -----> Python app detected
           remote: -----> Installing python-#{LATEST_PYTHON_3_9}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Installing dependencies from Pipfile.lock (ef68d1)...
           remote: -----> Installing SQLite3
@@ -221,7 +221,7 @@
           remote: -----> Python app detected
           remote: cp: cannot stat '/tmp/build_.*/requirements.txt': No such file or directory
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing dependencies with Pipenv 2020.11.15
           remote:        Your Pipfile.lock \\(aad8b1\\) is out of date. Expected: \\(ef68d1\\).
           remote:        \\[DeployException\\]: .*

spec/hatchet/python_version_spec.rb

@@ -8,7 +8,7 @@
       expect(clean_output(app.output)).to include(<<~OUTPUT)
         remote: -----> Python app detected
         remote: -----> Installing python-#{python_version}
-        remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+        remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
         remote: -----> Installing SQLite3
         remote: -----> Installing requirements with pip
         remote:        Collecting urllib3
@@ -82,7 +82,7 @@
             remote:  !     Python 2 has reached its community EOL. Upgrade your Python runtime to maintain a secure application as soon as possible.
             remote:        Learn More: https://devcenter.heroku.com/articles/python-2-7-eol-faq
             remote: -----> Installing python-#{LATEST_PYTHON_2_7}
-            remote: -----> Installing pip 20.1.1, setuptools 44.1.1 and wheel 0.36.2
+            remote: -----> Installing pip 20.2.4, setuptools 44.1.1 and wheel 0.36.2
             remote: -----> Installing SQLite3
             remote: -----> Installing requirements with pip
             remote:        Collecting urllib3
@@ -180,7 +180,7 @@
         expect(clean_output(app.output)).to include(<<~OUTPUT)
           remote: -----> Python app detected
           remote: -----> Installing pypy2.7-#{LATEST_PYPY_2_7}
-          remote: -----> Installing pip 20.1.1, setuptools 44.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 44.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3
@@ -198,7 +198,7 @@
         expect(clean_output(app.output)).to include(<<~OUTPUT)
           remote: -----> Python app detected
           remote: -----> Installing pypy3.6-#{LATEST_PYPY_3_6}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3
@@ -240,7 +240,7 @@
           remote: -----> Found python-#{LATEST_PYTHON_3_6}, removing
           remote: -----> No change in requirements detected, installing from cache
           remote: -----> Installing python-#{LATEST_PYTHON_3_9}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3

spec/hatchet/stack_spec.rb

@@ -29,7 +29,7 @@
           remote: -----> Stack has changed from heroku-18 to heroku-20, clearing cache
           remote: -----> No change in requirements detected, installing from cache
           remote: -----> Installing python-3.6.12
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3
@@ -56,7 +56,7 @@
           remote: -----> Stack has changed from heroku-20 to heroku-18, clearing cache
           remote: -----> No change in requirements detected, installing from cache
           remote: -----> Installing python-#{DEFAULT_PYTHON_VERSION}
-          remote: -----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.36.2
+          remote: -----> Installing pip 20.2.4, setuptools 47.1.1 and wheel 0.36.2
           remote: -----> Installing SQLite3
           remote: -----> Installing requirements with pip
           remote:        Collecting urllib3