temporarily removed min max fix for pull request

pyqtgraph/graphicsItems/PlotCurveItem.py

@@ -132,11 +132,7 @@ class PlotCurveItem(GraphicsObject):
             if any(np.isinf(b)):
                 mask = np.isfinite(d)
                 d = d[mask]
-                try:
                 b = (d.min(), d.max())
-                except ValueError:
-                    # d has no size, because all of d is inf.
-                    b = (-1, 1)  # Some default bounds
                 
         elif frac <= 0.0:
             raise Exception("Value for parameter 'frac' must be > 0. (got %s)" % str(frac))