diff --git a/plugins/python-renderer/src/plugin-main.c b/plugins/python-renderer/src/plugin-main.c
index 19eecbb..a522f17 100644
--- a/plugins/python-renderer/src/plugin-main.c
+++ b/plugins/python-renderer/src/plugin-main.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <glib.h>
+#include <unistd.h>
 #include <Python.h>
 
 #include <gds-render/gds-utils/gds-types.h>
@@ -27,17 +28,45 @@ static int check_file_exists(const char *path)
 
 int FUNC_DECL(EXTERNAL_LIBRARY_RENDER_FUNCTION)(struct gds_cell *toplevel, GList *layer_info_list, const char *output_file_name, double scale)
 {
+	int ret = 0;
+	PyObject *p_render_func;
+	PyObject *p_return_value;
+
 	if (!toplevel)
 		return -1000;
+	if (!p_module)
+		return -2000;
 
 	printf("Rendering %s\n", toplevel->name);
-	return 0;
+
+	p_render_func = PyObject_GetAttrString(p_module, "test_func");
+	if (!p_render_func && !PyCallable_Check(p_render_func)) {
+		if (PyErr_Occurred())
+			PyErr_Print();
+		else
+			fprintf(stderr, "function not found in python module\n");
+
+		ret = -1;
+		goto return_value;
+	}
+
+	p_return_value = PyObject_CallObject(p_render_func, NULL);
+	if (p_return_value) {
+		printf("Result of call: %ld\n", PyLong_AsLong(p_return_value));
+		Py_DECREF(p_return_value);
+	}
+
+return_value:
+	return ret;
 }
 
 int FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const char *version)
 {
 	int ret = 0;
 	PyObject *p_name;
+	PyObject *p_sys_path;
+	PyObject *p_cwd_string;
+	char cwd[256];
 
 	if (!params || !version)
 		return -1000;
@@ -45,9 +74,19 @@ int FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const char *ve
 	printf("Init with params: %s\ngds-render version: %s\n", params, version);
 	Py_Initialize();
 
+	if (!getcwd(cwd, sizeof(cwd))) {
+		return -2;
+	}
+
+	p_sys_path = PySys_GetObject("path");
+	p_cwd_string = PyUnicode_FromString(cwd);
+	PyList_Append(p_sys_path, p_cwd_string);
+	Py_DECREF(p_cwd_string);
+
 	/* This renderer has only one parameter: The name of the file */
-	if (check_file_exists(params))
+	/*if (check_file_exists(params))
 		return -1001;
+	*/
 
 	p_name = PyUnicode_DecodeFSDefault(params);
 	p_module = PyImport_Import(p_name);
@@ -60,8 +99,6 @@ int FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const char *ve
 		goto return_value;
 	}
 
-
-
 return_value:
 	return ret;
 }
@@ -70,6 +107,10 @@ int FUNC_DECL(EXTERNAL_LIBRARY_FINALIZE_FUNCTION)(void)
 {
 	int ret;
 
+	printf("Finalizing\n");
+
+	if (p_module)
+		Py_DECREF(p_module);
 	ret = Py_FinalizeEx();
 	return ret;
 }