Update StrategyLearner to pass tests

strategy_evaluation/experiment1.py

@@ -27,6 +27,7 @@ def plot_indicators(symbol, df):
     rsi.plot(ax=ax[3])
     for a in ax.flat:
         a.grid()
+    m = MultiCursor(fig.canvas, ax, color='r', lw=0.5)
     plt.show()
     sys.exit(0)
 
@@ -124,7 +125,7 @@ def experiment1():
 
     for a in ax:
         a.grid()
-    MultiCursor(fig.canvas, ax, color='r', lw=0.5)
+    m = MultiCursor(fig.canvas, ax, color='r', lw=0.5)
     plt.show()
 
     # For debugging the classification learner:
@@ -133,7 +134,5 @@ def experiment1():
     # df[["y_train", "y_query"]].plot(ax=ax[1])
 
 
-
 if __name__ == "__main__":
     experiment1()
-