set fit toolbar a name; fixes #281

src/gui_qt/fit/fit_toolbar.py

@@ -10,7 +10,7 @@ class FitToolbar(QtWidgets.QToolBar):
             limit_menu: QtWidgets.QMenu,
             parent=None,
     ):
-        super().__init__(parent=parent)
+        super().__init__('Fit', parent=parent)
 
         self.fit_action = fitaction
         self.region = RegionItem()

src/nmreval/distributions/energy.py

@@ -3,7 +3,12 @@ from ctypes import c_double, cast, pointer, c_void_p
 
 import numpy as np
 from scipy import LowLevelCallable
-from scipy.integrate import quad, simps as simpson
+
+from scipy.integrate import quad
+try:
+    from scipy.integrate import simps as simpson
+except ImportError:
+    from scipy.integrate import simpson
 
 from .base import Distribution
 from ..lib.utils import ArrayLike