diff --git a/.gitignore b/.gitignore
index b1e15bf9..db0aca76 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
+**/*.pyc
 *.cquery
-*.pyc 
 *.sln
 *.swp
 *.vcxproj
diff --git a/src/messages/text_document_completion.cc b/src/messages/text_document_completion.cc
index aa79e00d..8ad2cec7 100644
--- a/src/messages/text_document_completion.cc
+++ b/src/messages/text_document_completion.cc
@@ -139,6 +139,7 @@ struct TextDocumentCompletionHandler : MessageHandler {
 
     std::string path = request->params.textDocument.uri.GetPath();
     WorkingFile* file = working_files->GetFileByFilename(path);
+    assert(file);
 
     // It shouldn't be possible, but sometimes vscode will send queries out
     // of order, ie, we get completion request before buffer content update.