[Snyk] Security upgrade python from 3.5-alpine to 3.11.0a2-alpine#102

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-a65f12cb34bb4bfc6ff30452e8e6b471

+1-1

Commits on Nov 11, 2021

fix: ipython/Dockerfile.controller to reduce vulnerabilities
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