After the system python version update to 3.9, I get "No valid Python interpreter found" [PANTS 1.30. IDEA 2020.2/2020.3] about intellij-pants-plugin HOT 2 OPEN

2021-05-06 11:26:22,750 [  46140]   INFO - pants.model.SimpleExportResult - Exit code 1 
2021-05-06 11:26:22,750 [  46140]   INFO - pants.model.SimpleExportResult - �[31mNo valid Python interpreter found. For `pants_version = "1.30.0"`, Pants requires Python 3.6, 3.7, or 3.8 to run. Please check that a valid interpreter is installed and on your $PATH.�[0m

serge@abyss ~/work/pants-python-3.9-issue
% ./pants compile :: 

<<<snip>>>

New virtual environment successfully created at /home/serge/.cache/pants/setup/bootstrap-Linux-x86_64/1.30.0_py38.
09:51:36 [INFO] initializing pantsd...
09:51:36 [INFO] Attempting to fetch watchman binary from: https://binaries.pantsbuild.org/bin/watchman/linux/x86_64/4.9.0-pants1/watchman ...
100% .................................................. 34581 KB 2.755s
09:51:39 [INFO] Fetched watchman binary from: https://binaries.pantsbuild.org/bin/watchman/linux/x86_64/4.9.0-pants1/watchman .
09:51:39 [INFO] pantsd initialized.

11:51:35 00:00 [main]
               (To run a reporting server: ./pants server)
11:51:39 00:04   [setup]
11:51:39 00:04     [parse]
               Executing tasks in goals: bootstrap -> imports -> unpack-jars -> unpack-wheels -> deferred-sources -> native-compile -> gen -> jvm-platform-validate -> resolve -> compile
11:51:39 00:04   [bootstrap]
11:51:39 00:04     [substitute-aliased-targets]
11:51:39 00:04     [jar-dependency-management]
11:51:39 00:04     [bootstrap-jvm-tools]
11:51:39 00:04     [provide-tools-jar]
11:51:39 00:04   [imports]
11:51:39 00:04     [ivy-imports]
11:51:39 00:04   [unpack-jars]
11:51:39 00:04     [unpack-jars]
11:51:39 00:04   [unpack-wheels]
11:51:39 00:04     [unpack-wheels]
11:51:39 00:04   [deferred-sources]
11:51:39 00:04     [deferred-sources]
11:51:39 00:04   [native-compile]
11:51:39 00:04     [conan-prep]
11:51:39 00:04     [conan-fetch]
11:51:39 00:04     [c-for-ctypes]
11:51:39 00:04     [cpp-for-ctypes]
11:51:39 00:04   [gen]
11:51:39 00:04     [protoc]
11:51:39 00:04     [thrift-java]
11:51:39 00:04     [thrift-py]
11:51:39 00:04     [py-thrift-namespace-clash-check]
11:51:39 00:04     [grpcio-prep]
11:51:39 00:04     [grpcio-run]
11:51:39 00:04   [jvm-platform-validate]
11:51:39 00:04     [jvm-platform-validate]
11:51:39 00:04   [resolve]

11:51:41 00:06       [coursier]
11:51:44 00:09       [coursier]
11:51:45 00:10   [compile]
11:51:45 00:10     [compile-jvm-prep-command]
11:51:45 00:10       [jvm_prep_command]
11:51:45 00:10     [compile-prep-command]
11:51:45 00:10     [compile]
11:51:45 00:10     [rsc]
11:51:45 00:10       [cache] 
                   No cached artifacts for 1 target.
                   Invalidated 1 target.
11:51:45 00:10       [isolation-mixed-pool-bootstrap] 
                   [1/1] Compiling 1 mixed source in 1 target (src/scala/com/github/slvrtrn:hello).

<<<snip>>>