fix(accel_brake_map_calibrator): fix view_statistics script (#3793)

Signed-off-by: tomoya.kimura <tomoya.kimura@tier4.jp>

Author: tkimura4

vehicle/accel_brake_map_calibrator/accel_brake_map_calibrator/scripts/calc_utils.py

@@ -69,7 +69,15 @@ def lowpass_filter_scipy(x, sample_rate, fp, fs, g_pass, g_stop):
 
     @staticmethod
     def create_2d_map(
-        x, y, data, color_factor, x_index_list, x_thresh, y_index_list, y_thresh, calibration_method
+        x,
+        y,
+        data,
+        color_factor,
+        x_index_list,
+        x_thresh,
+        y_index_list,
+        y_thresh,
+        calibration_method="four_cell",
     ):
         if x.shape != y.shape or y.shape != data.shape:
             print("Error: the shape of x, y, data must be same")

vehicle/accel_brake_map_calibrator/accel_brake_map_calibrator/scripts/plotter.py

@@ -28,8 +28,7 @@ def __init__(self, total_height, total_width, plot=True):
         plt.subplots_adjust(left=0.04, right=0.98, bottom=0.05, top=0.95, wspace=0.1, hspace=0.4)
 
     def subplot(self, plot_num):
-        subplot_str = str(self.total_height) + str(self.total_width) + str(plot_num)
-        fig = plt.subplot(subplot_str)
+        fig = plt.subplot(self.total_height, self.total_width, plot_num)
         return fig
 
     def subplot_more(self, plot_num):