change str in config (act, agg) from str to callable

examples/gymnax/cartpole.py

@@ -19,8 +19,8 @@ def example_conf1():
             outputs=1,
         ),
         gene=NormalGeneConfig(
-            activation_default='sigmoid',
-            activation_options=('sigmoid',),
+            activation_default=Act.sigmoid,
+            activation_options=(Act.sigmoid,),
         ),
         problem=GymNaxConfig(
             env_name='CartPole-v1',
@@ -41,8 +41,8 @@ def example_conf2():
             outputs=1,
         ),
         gene=NormalGeneConfig(
-            activation_default='tanh',
-            activation_options=('tanh',),
+            activation_default=Act.tanh,
+            activation_options=(Act.tanh,),
         ),
         problem=GymNaxConfig(
             env_name='CartPole-v1',
@@ -63,8 +63,8 @@ def example_conf3():
             outputs=2,
         ),
         gene=NormalGeneConfig(
-            activation_default='tanh',
-            activation_options=('tanh',),
+            activation_default=Act.tanh,
+            activation_options=(Act.tanh,),
         ),
         problem=GymNaxConfig(
             env_name='CartPole-v1',
@@ -80,5 +80,5 @@ if __name__ == '__main__':
     algorithm = NEAT(conf, NormalGene)
     pipeline = Pipeline(conf, algorithm, GymNaxEnv)
     state = pipeline.setup()
+    pipeline.pre_compile(state)
     state, best = pipeline.auto_run(state)
-    pipeline.show(state, best)