--- a/fit.py	Fri Mar 10 16:39:22 2023 +0000
+++ b/fit.py	Mon Mar 20 13:56:57 2023 +0000
@@ -20,7 +20,10 @@
 from os import cpu_count, getpid, listdir, mkdir, path
 from re import compile, sub
 from shutil import rmtree
-from sympy import diff, simplify
+try:
+    from sympy import diff, simplify
+except:
+    pass
 try:
     from joblib import Parallel, delayed
     have_joblib = True
@@ -32,12 +35,20 @@
 except:
     have_xarray = False
 
-from .general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
+#try:
+#    from .general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
+#            almost_equal, quick_plot #, eval_expr
+#except:
+#    try:
+#        from sys import path as syspath
+#        syspath.append(f'/nfs/chess/user/rv43/msnctools/msnctools')
+#        from general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
+#                almost_equal, quick_plot #, eval_expr
+#    except:
+#        from general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
+#                almost_equal, quick_plot #, eval_expr
+from general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
         almost_equal, quick_plot #, eval_expr
-#from sys import path as syspath
-#syspath.append(f'/nfs/chess/user/rv43/msnctools/msnctools')
-#from general import illegal_value, is_int, is_dict_series, is_index, index_nearest, \
-#        almost_equal, quick_plot #, eval_expr
 
 from sys import float_info
 float_min = float_info.min
@@ -1810,8 +1821,8 @@
             self.fit(**kwargs)
 
     @classmethod
-    def fit_map(cls, x, ymap, models, normalize=True, **kwargs):
-        return(cls(x, ymap, models, normalize=normalize, **kwargs))
+    def fit_map(cls, ymap, models, x=None, normalize=True, **kwargs):
+        return(cls(ymap, x=x, models=models, normalize=normalize, **kwargs))
 
     @property
     def best_errors(self):