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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Uninstalling python package from virtual env crashed language server","articleBody":"@DonJayamanne commented on [Tue Jan 08 2019](https://github.com/Microsoft/vscode-python/issues/3924)\n\n* Load workspace with local virtual env and LS\r\n* Do some work\r\n* Uninstall python package (`pip uninstall`)\r\n* Here's the stack trace\r\n\r\n```\r\nReloading modules... \r\ndone.\r\n[Error - 9:17:21 AM] System.AggregateException: One or more errors occurred. (Could not find a part of the path '/Users/donjayamanne/Desktop/Development/PythonStuff/extensionTesting/forTests/venv/lib/python2.7/site-packages/_pytest/config/__init__.py'.) ---\u003e System.IO.DirectoryNotFoundException: Could not find a part of the path '/Users/donjayamanne/Desktop/Development/PythonStuff/extensionTesting/forTests/venv/lib/python2.7/site-packages/_pytest/config/__init__.py'.\r\n   at Interop.ThrowExceptionForIoErrno(ErrorInfo errorInfo, String path, Boolean isDirectory, Func`2 errorRewriter)\r\n   at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String path, OpenFlags flags, Int32 mode)\r\n   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)\r\n   at Microsoft.PythonTools.Interpreter.Ast.PythonModuleLoader.FromFile(IPythonInterpreter interpreter, String sourceFile, PythonLanguageVersion langVersion, String moduleFullName)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstModuleResolution.ImportFromSearchPaths(String name, PathResolverSnapshot pathResolver)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstModuleResolution.TryImportModuleAsync(String name, PathResolverSnapshot pathResolver, IReadOnlyList`1 typeStubPaths, Boolean mergeTypeStubPackages, CancellationToken cancellationToken)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstPythonInterpreter.ImportModuleAsync(String name, CancellationToken token)\r\n   --- End of inner exception stack trace ---\r\n   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstPythonInterpreter.ImportModule(String name)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstNestedPythonModule.GetModule()\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstNestedPythonModuleMember.Get()\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstPythonModule.GetMember(IModuleContext context, String name)\r\n   at Microsoft.PythonTools.Analysis.Values.BuiltinNamespace`1.GetTypeMember(Node node, AnalysisUnit unit, String name)\r\n   at Microsoft.PythonTools.Analysis.Values.BuiltinModule.GetMember(Node node, AnalysisUnit unit, String name)\r\n   at Microsoft.PythonTools.Analysis.AnalysisValueSetExtensions.GetMember(IAnalysisSet self, Node node, AnalysisUnit unit, String name)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.ExpressionEvaluator.EvaluateWorker(Node node)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.ExpressionEvaluator.EvaluateCall(ExpressionEvaluator ee, Node node)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.ExpressionEvaluator.EvaluateWorker(Node node)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.DDG.Walk(ExpressionStatement node)\r\n   at Microsoft.PythonTools.Parsing.Ast.ExpressionStatement.Walk(PythonWalker walker)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.DDG.Walk(SuiteStatement node)\r\n   at Microsoft.PythonTools.Parsing.Ast.SuiteStatement.Walk(PythonWalker walker)\r\n   at Microsoft.PythonTools.Parsing.Ast.PythonAst.Walk(PythonWalker walker)\r\n   at Microsoft.PythonTools.Analysis.AnalysisUnit.AnalyzeWorker(DDG ddg, CancellationToken cancel)\r\n   at Microsoft.PythonTools.Analysis.Analyzer.DDG.Analyze(Deque`1 queue, CancellationToken cancel, Action`1 reportQueueSize, Int32 reportQueueInterval)\r\n   at Microsoft.PythonTools.Analysis.PythonAnalyzer.AnalyzeQueuedEntries(CancellationToken cancel)\r\n   at Microsoft.PythonTools.Intellisense.AnalysisQueue.GroupAnalysis.Analyze(CancellationToken cancel)\r\n   at Microsoft.PythonTools.Intellisense.AnalysisQueue.HandleAnalyzable(IAnalyzable item, AnalysisPriority priority, CancellationToken cancellationToken)\r\n   at Microsoft.PythonTools.Intellisense.AnalysisQueue.ConsumerLoop()\r\n---\u003e (Inner Exception #0) System.IO.DirectoryNotFoundException: Could not find a part of the path '/Users/donjayamanne/Desktop/Development/PythonStuff/extensionTesting/forTests/venv/lib/python2.7/site-packages/_pytest/config/__init__.py'.\r\n   at Interop.ThrowExceptionForIoErrno(ErrorInfo errorInfo, String path, Boolean isDirectory, Func`2 errorRewriter)\r\n   at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String path, OpenFlags flags, Int32 mode)\r\n   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)\r\n   at Microsoft.PythonTools.Interpreter.Ast.PythonModuleLoader.FromFile(IPythonInterpreter interpreter, String sourceFile, PythonLanguageVersion langVersion, String moduleFullName)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstModuleResolution.ImportFromSearchPaths(String name, PathResolverSnapshot pathResolver)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstModuleResolution.TryImportModuleAsync(String name, PathResolverSnapshot pathResolver, IReadOnlyList`1 typeStubPaths, Boolean mergeTypeStubPackages, CancellationToken cancellationToken)\r\n   at Microsoft.PythonTools.Interpreter.Ast.AstPythonInterpreter.ImportModuleAsync(String name, CancellationToken token)\u003c---\r\n```\n\n","author":{"url":"https://github.com/DonJayamanne","@type":"Person","name":"DonJayamanne"},"datePublished":"2019-01-08T17:24:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/522/python-language-server/issues/522"}