tests: allow prerelease deps on Python 3.9 (#402)

Closes #401.
googleapis · Aug 17, 2021 · d853268 · d853268
1 parent 9ad10e3
commit d853268
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/testing/constraints-3.9.txt b/testing/constraints-3.9.txt
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+# Allow prerelease requirements
+--pre