Draft: Resolve "Deadline and Cancellation for gRPC calls"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #320

cli/cmd/prompt.go

@@ -229,13 +229,13 @@ func (pc *PromptCompleter) updateSuggestionsThroughFunc(d prompt.Document, c *co
 	if pc.lastSuggestions == nil {
 		var err error
 		newSuggestions, err := fn()
+		if err != nil {
+			return prompt.FilterHasPrefix([]prompt.Suggest{}, d.GetWordBeforeCursor(), true)
+		}
 		pc.lastSuggestions = &suggestionTracker{
 			lastCommand:    c,
 			lastSuggestion: newSuggestions,
 		}
-		if err != nil {
-			return prompt.FilterHasPrefix(pc.lastSuggestions.lastSuggestion, d.GetWordBeforeCursor(), true)
-		}
 	}
 	return prompt.FilterHasPrefix(pc.lastSuggestions.lastSuggestion, d.GetWordBeforeCursor(), true)
 }