Completion suggestions disappear when using with deoplete

[BenoitKnecht]

Describe the bug

I'm having trouble getting deoplete to work with autozimu/LanguageClient-neovim.

Specifically, I'm trying to get completion to work with Golang (using gopls as the language server). When I type something like fmt., I initially see a list of functions being suggested, but if I type a bit more (say fmt.Pri), the functions all disappear from the completion list (see the screencast below for an example of this).

I reported the issue agains deoplete, and the author was able to reproduce it but pin-pointed the issue in LanguageClient-neovim; he provided a patch as well, see Shougo/deoplete.nvim#970.

[BenoitKnecht]

For reference, here's the suggested patch:

diff --git a/src/types.rs b/src/types.rs
index b2d65bf..6eaac38 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -554,6 +554,9 @@ impl VimCompleteItem {
                     word = lspitem.label.clone();
                 }
             }
+            if word.is_empty() {
+                word = lspitem.label.clone();
+            }
         }

         let snippet;

[autozimu]

Thanks for reporting.

[0xyeti]

@autozimu I update LanguageClient-neovim to latest release, but the issue is still there. Can you reopen this?

[Shougo]

Your LanguageClient-neovim binary is the latest version?

[0xyeti]

Yes, its output version:
languageclient 0.1.146 ec4af74cc389f802c3c43a660c963049848a8a93

[BenoitKnecht]

@0xyeti At first I thought it was weird because it works for me now, but I'm using a version of the binary I compiled myself with @Shougo's patch applied, and it looks like the fix that was committed in 6d0a8ee is a bit different.

[Shougo]

Hm. The fix is not real fix?

[0xyeti]

@BenoitKnecht Yeah I've seen that too. I'll try to rebuild the binary from source, using Shougo's patch to see the error is still there or not.