This sounds very debuggable - PyCharm is basically the same product as IntelliJ + Python plugin. There's no difference in how it handles project indexing, so it

This sounds very debuggable - PyCharm is basically the same product as IntelliJ + Python plugin. There's no difference in how it handles project indexing, so it's probably a specific IntelliJ plugin or functionality causing the freezes. There's a built-in CPU profiler, but given that you're a paying customer, just contact their support and they'll help you figure it out.