java.lang.NullPointerException
        at org.netbeans.modules.python.api.PythonPlatformManager.findPlatformProperties(PythonPlatformManager.java:375)
        at org.netbeans.modules.python.platform.panels.PythonPlatformPanel.newPlatformActionPerformed(PythonPlatformPanel.java:454)
        at org.netbeans.modules.python.platform.panels.PythonPlatformPanel.access$300(PythonPlatformPanel.java:38)
        at org.netbeans.modules.python.platform.panels.PythonPlatformPanel$3.actionPerformed(PythonPlatformPanel.java:141)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:5517)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5282)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:153)
        at java.awt.Dialog$1.run(Dialog.java:535)
        at java.awt.Dialog$2.run(Dialog.java:563)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.awt.Dialog.show(Dialog.java:561)
        at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:979)
        at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1013)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1001)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:114)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:1355)
        at org.openide.util.Mutex.readAccess(Mutex.java:268)
        at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:986)
        at java.awt.Component.show(Component.java:1302)
        at java.awt.Component.setVisible(Component.java:1255)
        at org.netbeans.modules.python.platform.panels.PythonPlatformPanel.showPlatformManager(PythonPlatformPanel.java:646)
        at org.netbeans.modules.python.platform.PythonManagerAction.performAction(PythonManagerAction.java:15)
        at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath.manageActionPerformed(CustomizerPythonPath.java:234)
        at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath.access$600(CustomizerPythonPath.java:36)
        at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath$6.actionPerformed(CustomizerPythonPath.java:132)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:5517)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5282)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)