fix(cli): simplify command without fragile installed

Author: justindujardin

libraries/mathy_python/mathy/cli.py

@@ -59,11 +59,11 @@ def cli_simplify(problem: str, model: str, max_steps: int, swarm: bool, parallel
 
     from .models import load_model
     from .api import Mathy
-    from .swarm import SwarmConfig
 
     if swarm is True:
+        from .swarm import SwarmConfig
+
         mt = Mathy(config=SwarmConfig(use_mp=parallel))
-        mt.simplify(problem=problem, max_steps=max_steps)
     else:
         mt = load_model(model)
 

libraries/mathy_python/requirements.txt

@@ -5,7 +5,7 @@ srsly
 pydantic>=1.0.0
 typer>=0.1.0,<0.2.0
 wasabi
-mathy_core>=0.7.16,<0.8.0
+mathy_core>=0.7.19,<0.8.0
 # new python feature backports
 dataclasses>=0.6,<1.0; python_version < "3.7"
 typing_extensions>=3.7.4.1,<4.0.0.0; python_version < "3.7"