CI: Update apt package list before Python install

Closes #18613.
numpy · Mar 15, 2021 · 2f5e65c · 2f5e65c
1 parent 26c87b0
commit 2f5e65c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -237,6 +237,7 @@ stages:
       vmImage: 'ubuntu-18.04'
     steps:
     - script: |
+            sudo apt update
             sudo apt install python3.7
             sudo apt install python3.7-dev
             if ! `gcc-4.8 2>/dev/null`; then