Python Scratch support is broken with the latest update

After upgrade to the Idea 2020.2.4 with latest Python plugin, the Python support for scratch files doesn't work anymore - no syntax higlighting, no code completion - just considered as text files.  Scala scratch files work just fine.

IntelliJ IDEA 2020.2.4 (Community Edition)
Build #IC-202.8194.7, built on November 24, 2020
Runtime version: 11.0.9+11-b944.49 x86_64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
macOS 10.15.6
GC: ParNew, ConcurrentMarkSweep
Memory: 1981M
Cores: 8
Non-Bundled Plugins: PlantUML integration, de.docksnet.puml.syntaxchecker, training, indent-rainbow.indent-rainbow, me.lensvol.blackconnect, org.antlr.jetbrains.st4plugin, org.intellij.plugins.hcl, com.microsoft.vso.idea, com.jetbrains.performancePlugin, AWSCloudFormation, org.toml.lang, org.jetbrains.kotlin, org.intellij.scala, izhangzhihao.rainbow.brackets, com.microsoft.tooling.msservices.intellij.azure, org.rust.lang, com.jetbrains.edu, PythonCore