From 22e303e8d2825ddb4db15575a1a1927e384be4d1 Mon Sep 17 00:00:00 2001
From: GeorgianaElena <georgiana.dolocan@gmail.com>
Date: Wed, 22 Apr 2020 18:09:55 +0300
Subject: [PATCH 1/3] Pin grpcio version

---
 dev-requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dev-requirements.txt b/dev-requirements.txt
index 6296fdd05..70a10aceb 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,4 +2,5 @@ pytest
 pytest-cov
 pytest-mock
 codecov
-pytoml
\ No newline at end of file
+pytoml
+grpcio==1.27.*
\ No newline at end of file

From d00245e3bf467c74fa40661ebd2cf199b7b9613a Mon Sep 17 00:00:00 2001
From: GeorgianaElena <georgiana.dolocan@gmail.com>
Date: Thu, 23 Apr 2020 13:14:32 +0300
Subject: [PATCH 2/3] Upgrade pip

---
 .circleci/config.yml   | 12 ++++++++++++
 bootstrap/bootstrap.py |  9 +++++++++
 2 files changed, 21 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index e2bc27fd7..918b1fda3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,6 +25,14 @@ commands:
                 command: |
                     apt-get update --yes && apt-get install --yes python3 python3-venv git make
 
+    upgrade_pip:
+        description: Upgrade the pip version to 20.0.*
+        steps:
+            - run:
+                name: upgrade pip
+                command: |
+                    python3 -m pip install -U pip==20.0.*
+
     build_systemd_image:
         steps:
             - run:
@@ -116,6 +124,9 @@ jobs:
                     - v1-dependencies-py3.6-
 
             - setup_venv
+
+            - upgrade_pip
+
             - run:
                 name: install dependencies
                 command: |
@@ -211,6 +222,7 @@ jobs:
                 key: v1-dependencies-py3.6-sphinx
 
             - setup_venv
+
             - run:
                 name: install dependencies
                 command: |
diff --git a/bootstrap/bootstrap.py b/bootstrap/bootstrap.py
index 98e724594..434ea35dd 100644
--- a/bootstrap/bootstrap.py
+++ b/bootstrap/bootstrap.py
@@ -153,6 +153,15 @@ def main():
         'git+https://github.com/jupyterhub/the-littlest-jupyterhub.git'
     )
 
+    # Upgrade pip
+    run_subprocess([
+        os.path.join(hub_prefix, 'bin', 'pip'),
+        'install',
+        '--upgrade',
+        'pip==20.0.*'
+    ])
+    logger.info('Upgraded pip')
+
     run_subprocess([
         os.path.join(hub_prefix, 'bin', 'pip'),
         'install'

From b698188e1dcc37ccbc6b8f04ec266256a02e3e52 Mon Sep 17 00:00:00 2001
From: GeorgianaElena <georgiana.dolocan@gmail.com>
Date: Thu, 23 Apr 2020 13:15:34 +0300
Subject: [PATCH 3/3] Remove grpcio pin

---
 dev-requirements.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dev-requirements.txt b/dev-requirements.txt
index 70a10aceb..6296fdd05 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,5 +2,4 @@ pytest
 pytest-cov
 pytest-mock
 codecov
-pytoml
-grpcio==1.27.*
\ No newline at end of file
+pytoml
\ No newline at end of file