Merge pull request matplotlib#1547 from mdboom/qt4editor-formlayout-float-bug

qt4_editor/formlayout.py TypeError: float() argument must be a string or a number

Author: mdboom

lib/matplotlib/backends/qt4_editor/formlayout.py

@@ -353,7 +353,7 @@ def get(self):
             elif isinstance(value, bool):
                 value = field.checkState() == Qt.Checked
             elif isinstance(value, float):
-                value = float(field.text())
+                value = float(str(field.text()))
             elif isinstance(value, int):
                 value = int(field.value())
             elif isinstance(value, datetime.datetime):