From 8bc7d18e00344cdaecbae0936fca3b6edd7129d8 Mon Sep 17 00:00:00 2001
From: Goran Jelic-Cizmek <goran.jelic-cizmek@epfl.ch>
Date: Wed, 16 Oct 2024 15:29:37 +0200
Subject: [PATCH] Only enable sympy if DERIVATIVE block exists

---
 src/main.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 89c2813f2..b63b7b0c7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -517,13 +517,15 @@ int run_nmodl(int argc, const char* argv[]) {
 
             enable_sympy(solver_exists(*ast, "derivimplicit"), "'SOLVE ... METHOD derivimplicit'");
             enable_sympy(node_exists(*ast, ast::AstNodeType::LINEAR_BLOCK), "'LINEAR' block");
+            enable_sympy(node_exists(*ast, ast::AstNodeType::DERIVATIVE_BLOCK),
+                         "'DERIVATIVE' block");
             enable_sympy(node_exists(*ast, ast::AstNodeType::NON_LINEAR_BLOCK),
                          "'NONLINEAR' block");
             enable_sympy(solver_exists(*ast, "sparse"), "'SOLVE ... METHOD sparse'");
         }
 
 
-        if (sympy_conductance || sympy_analytic || neuron_code) {
+        if (sympy_conductance || sympy_analytic) {
             nmodl::pybind_wrappers::EmbeddedPythonLoader::get_instance()
                 .api()
                 .initialize_interpreter();