From ea90d91dfe93400226a5cfa361d3221fe0ddb82d Mon Sep 17 00:00:00 2001
From: Davide Depau <davide@depau.eu>
Date: Tue, 9 Jan 2018 15:44:11 +0100
Subject: [PATCH] Expand unclear one-line implicit conditional statement

---
 ffmpeg/nodes.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/ffmpeg/nodes.py b/ffmpeg/nodes.py
index 89fdc11..a0eb62d 100644
--- a/ffmpeg/nodes.py
+++ b/ffmpeg/nodes.py
@@ -1,7 +1,4 @@
 from __future__ import unicode_literals
-
-import warnings
-
 from .dag import KwargReprNode
 from ._utils import escape_chars, get_hash_int
 from builtins import object
@@ -199,7 +196,11 @@ class Node(KwargReprNode):
         # "1+" is for `self`
         argc = 1 + len(args) + len(kwargs)
 
-        first_arg = "old_node" in kwargs and kwargs["old_node"] or args[0]
+        first_arg = None
+        if "old_node" in kwargs:
+            first_arg = kwargs["old_node"]
+        elif len(args) > 0:
+            first_arg = args[0]
 
         if argc == _get_arg_count(self.__init_fromnode__) and type(first_arg) == type(self):
             self.__init_fromnode__(*args, **kwargs)