From ccf3da2a5aab0be231ce3b0b948eeeab15a835db Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Tue, 27 Aug 2019 22:00:34 +0200
Subject: [PATCH] Improve handling of no upload option

Fixes https://github.com/esphome/issues/issues/596
---
 esphome/__main__.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/esphome/__main__.py b/esphome/__main__.py
index 98d302c82b..bb41e43011 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -35,7 +35,9 @@ def get_serial_ports():
 
 def choose_prompt(options):
     if not options:
-        raise ValueError
+        raise EsphomeError("Found no valid options for upload/logging, please make sure relevant "
+                           "sections (ota, mqtt, ...) are in your configuration and/or the device "
+                           "is plugged in.")
 
     if len(options) == 1:
         return options[0][1]