Stepping

File | Settings | Build, Execution, Deployment | Debugger | Stepping for Windows and Linux
PyCharm | Preferences | Build, Execution, Deployment | Debugger | Stepping for OS X
Ctrl+Alt+S

Use this page to improve the debug stepping speed and specify the elements to be skipped while stepping.

Item	Description
JavaScript
Do not step into library scripts	Select this check box to suppress stepping into library scripts while debugging.
Do not step into scripts	Select this check box to suppress stepping into certain scripts while debugging. Use the toolbar buttons to manage the list of scripts to be skipped. Item Shortcut Description Alt+Insert Click this button to add a new script filter. Alt+Delete Click this button to delete the selected filter from the list. Enter Click this button to edit the selected filter. / Use these buttons to arrange filters as required. Click this button to create a copy of the selected filter.
Python
Do not step into library scripts	Select this check box to suppress stepping into library scripts while debugging.
Do not step into scripts	Select this check box to suppress stepping into certain scripts while debugging. Use the toolbar buttons to manage the list of scripts to be skipped. Item Shortcut Description Alt+Insert Click this button to add a new script filter. Alt+Delete Click this button to delete the selected filter from the list. Enter Click this button to edit the selected filter. / Use these buttons to arrange filters as required. Click this button to create a copy of the selected filter.