update method to plot curve.

solventmapcreator/polynomialanalysis/polynomialplotting.py

@@ -34,7 +34,10 @@ def create_scatter_with_split_poly(input_data, **kwargs):
     """This generates the split plot when a split polynomial is required.
     """
     scatter_plot, scatter_plot_axis = plottinginput.plot_scatter_graph(input_data)
-    x_data = np.sort(input_data['x_data'])
+    x_data = np.sort(input_data['x_data'])[0]
+    LOGGER.debug("X data shape: , X data:")
+    LOGGER.debug(x_data.shape)
+    LOGGER.debug(x_data)
     polynomial_values = polyvalcalc.calculate_polynomial_values(x_data,
                                                                 input_data["polynomial coefficients"])
     plottinginput.plot_polynomial_curve(scatter_plot_axis, x_data,