From 10631ac08c15873727ade8e3f5d9959f15a3181d Mon Sep 17 00:00:00 2001
From: Gregory Morse <gregory.morse@live.com>
Date: Sat, 27 Jul 2024 17:28:29 +0200
Subject: [PATCH] Fix no terminal/primitives available issue

---
 deap/gp.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deap/gp.py b/deap/gp.py
index ccc47b6b..2053bae6 100644
--- a/deap/gp.py
+++ b/deap/gp.py
@@ -631,7 +631,7 @@ def generate(pset, min_, max_, condition, type_=None):
     stack = [(0, type_)]
     while len(stack) != 0:
         depth, type_ = stack.pop()
-        if condition(height, depth):
+        if len(pset.terminals[type_]) != 0 and (True if len(pset.primitives[type_])==0 else condition(height, depth)):
             try:
                 term = random.choice(pset.terminals[type_])
             except IndexError: