save fit parameter does not confirm overwrite; export graphics with try-catch around get_data_opts;

bin/evaluate.py

@@ -2,7 +2,7 @@
 
 import sys
 import pathlib
-sys.path.append(str(pathlib.Path(__file__).parent.parent / 'src'))
+sys.path.append(str(pathlib.Path(__file__).absolute().parent.parent / 'src'))
 
 from nmreval.configs import check_for_config