fix importing of pointwise_sat from fastrobustness

stl/__init__.py

@@ -3,6 +3,7 @@ from stl.utils import alw, env, andf, orf
 from stl.ast import dt_sym, t_sym, TOP, BOT
 from stl.ast import LinEq, Interval, NaryOpSTL, Or, And, F, G, ModalOp, Neg, Var, AtomicPred
 from stl.parser import parse
-from stl.synth import lex_param_project
 from stl.fastboolean_eval import pointwise_sat
+from stl.synth import lex_param_project
 from stl.types import STL
+from stl.robustness import pointwise_robustness

stl/synth.py

@@ -1,7 +1,7 @@
 import operator as op
 
 from stl.utils import set_params, param_lens
-from stl.boolean_eval import pointwise_sat
+from stl import pointwise_sat
 
 from lenses import lens