2020-07-03 09:39:01,214 : ERROR : KNIME-Worker-89-Python Source 0:220:0:202 :  : Node : Python Source : 0:220:0:202 : Execute failed: The external Python process crashed for unknown reasons while KNIME set up the Python environment. See log for details.
org.knime.python2.kernel.PythonIOException: The external Python process crashed for unknown reasons while KNIME set up the Python environment. See log for details.
	at org.knime.python2.kernel.PythonKernel.<init>(PythonKernel.java:279)
	at org.knime.python2.nodes.source.PythonSourceNodeModel.execute(PythonSourceNodeModel.java:86)
	at org.knime.core.node.NodeModel.execute(NodeModel.java:737)
	at org.knime.core.node.NodeModel.executeModel(NodeModel.java:571)
	at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236)
	at org.knime.core.node.Node.execute(Node.java:1016)
	at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557)
	at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95)
	at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218)
	at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124)
	at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334)
	at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123)
	at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246)
Caused by: java.util.concurrent.ExecutionException: java.net.SocketTimeoutException: Accept timed out
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at org.knime.python2.kernel.PythonKernel.<init>(PythonKernel.java:273)
	... 15 more
Caused by: java.net.SocketTimeoutException: Accept timed out
	at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
	at java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:135)
	at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
	at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:199)
	at java.net.ServerSocket.implAccept(ServerSocket.java:545)
	at java.net.ServerSocket.accept(ServerSocket.java:513)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)