Unable to insert .md file with unicode chars

[Eugene]

I am trying to paste this file.

java.lang.AssertionError: Wrong line separators: '...) -> None:\r\n """\r...' at offset 105
at com.intellij.openapi.util.text.StringUtil.assertValidSeparators(StringUtil.java:2440)
at com.intellij.openapi.editor.impl.DocumentImpl.assertValidSeparators(DocumentImpl.java:716)
at com.intellij.openapi.editor.impl.DocumentImpl.replaceString(DocumentImpl.java:610)
at com.intellij.openapi.editor.impl.DocumentImpl.lambda$setText$4(DocumentImpl.java:1091)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:219)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:174)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:164)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:150)
at com.intellij.openapi.editor.impl.DocumentImpl.setText(DocumentImpl.java:1096)
at com.chuntung.plugin.gistsnippet.view.InsertGistDialog.lambda$showInEditor$6(InsertGistDialog.java:367)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:955)
at com.chuntung.plugin.gistsnippet.view.InsertGistDialog.showInEditor(InsertGistDialog.java:360)
at com.chuntung.plugin.gistsnippet.view.InsertGistDialog.onSelect(InsertGistDialog.java:348)
at com.chuntung.plugin.gistsnippet.view.InsertGistDialog.lambda$createUIComponents$0(InsertGistDialog.java:121)
at java.desktop/javax.swing.JTree.fireValueChanged(JTree.java:3020)
at java.desktop/javax.swing.JTree$TreeSelectionRedirector.valueChanged(JTree.java:3521)
at java.desktop/javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:650)
at com.intellij.ui.treeStructure.Tree$MySelectionModel.fireValueChanged(Tree.java:649)
at java.desktop/javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1120)
at java.desktop/javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:306)
at java.desktop/javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(DefaultTreeSelectionModel.java:200)
at java.desktop/javax.swing.JTree.setSelectionPath(JTree.java:1709)
at com.intellij.ui.tree.ui.TreeAction.select(TreeAction.java:177)
at com.intellij.ui.tree.ui.TreeAction.select(TreeAction.java:152)
at com.intellij.ui.tree.ui.TreeAction.lineDown(TreeAction.java:108)
at com.intellij.ui.tree.ui.TreeAction.selectNext(TreeAction.java:367)
at com.intellij.ui.tree.ui.TreeAction.actionPerformed(TreeAction.java:76)
at com.intellij.ui.SwingActionDelegate.performAction(SwingActionDelegate.java:59)
at com.intellij.ui.SwingActionDelegate.actionPerformed(SwingActionDelegate.java:48)
at com.intellij.openapi.actionSystem.ex.ActionUtil.doPerformActionOrShowPopup(ActionUtil.java:323)
at com.intellij.openapi.keymap.impl.ActionProcessor.performAction(ActionProcessor.java:47)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$1.performAction(IdeKeyEventDispatcher.java:584)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$9(IdeKeyEventDispatcher.java:706)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:94)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$10(IdeKeyEventDispatcher.java:706)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.java:346)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.doPerformActionInner(IdeKeyEventDispatcher.java:703)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:647)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:595)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processActionOrWaitSecondStroke(IdeKeyEventDispatcher.java:478)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:467)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:225)
at com.intellij.ide.IdeEventQueue.dispatchKeyEvent(IdeEventQueue.java:815)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:750)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$5(IdeEventQueue.java:437)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:774)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:436)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:615)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:434)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:813)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:480)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:121)
at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:191)
at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:236)
at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:234)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:318)
at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:234)
at java.desktop/java.awt.Dialog.show(Dialog.java:1080)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:743)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:467)
at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1676)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1634)
at com.intellij.openapi.ui.DialogWrapper.showAndGet(DialogWrapper.java:1648)
at com.chuntung.plugin.gistsnippet.action.InsertAction.actionPerformed(InsertAction.java:42)
at com.intellij.openapi.actionSystem.ex.ActionUtil.doPerformActionOrShowPopup(ActionUtil.java:323)
at com.intellij.openapi.keymap.impl.ActionProcessor.performAction(ActionProcessor.java:47)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$1.performAction(IdeKeyEventDispatcher.java:584)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$9(IdeKeyEventDispatcher.java:706)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:94)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$10(IdeKeyEventDispatcher.java:706)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.java:346)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.doPerformActionInner(IdeKeyEventDispatcher.java:703)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:647)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:595)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processActionOrWaitSecondStroke(IdeKeyEventDispatcher.java:478)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:467)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:225)
at com.intellij.ide.IdeEventQueue.dispatchKeyEvent(IdeEventQueue.java:815)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:750)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$5(IdeEventQueue.java:437)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:774)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:436)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:615)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:434)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:813)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:480)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

plugin 1.1.0
PyCharm 2022.3 Build #PY-223.7571.203

[Navee]

solved by #13