Update plot_series.py

Bug fixed : x and y tabs must have same lengths

Author: CEAVirginie

qwt/plot_series.py

@@ -237,6 +237,10 @@ def __init__(self, x=None, y=None, size=None, finite=None):
         if size is not None:
             x = np.resize(x, (size,))
             y = np.resize(y, (size,))
+        if len(x) != len(y):
+            minlen = min(len(x),len(y))
+            x = np.resize(x, (minlen, ))
+            y = np.resize(y, (minlen, ))
         if finite if finite is not None else True:
             indexes = np.logical_and(np.isfinite(x), np.isfinite(y))
             self.__x = x[indexes]