[ci] only use conda-forge when installing R packages in docs builds (#4767)

99f0f3ec · James Lamb · GitHub · 55e9446a · 99f0f3ec
Unverified Commit 99f0f3ec authored Nov 05, 2021 by James Lamb Committed by GitHub Nov 05, 2021
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docs/conf.py docs/conf.py +1 -0

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--- a/docs/conf.py
+++ b/docs/conf.py
@@ -268,6 +268,7 @@ def generate_r_docs(app: Sphinx) -> None:
        -q \
        -y \
        -c conda-forge \
+        --override-channels \
        -n r_env \
            r-base=4.1.0=hb67fd72_2 \
            r-data.table=1.14.0=r41hcfec24a_0 \