technical_analysis: robust figure saving path

src/technical_analysis.py

@@ -229,7 +229,10 @@ class TechnicalAnalysis():
                 colstoplot)
         plt.tight_layout()
         if savefig:
-            plt.savefig(os.path.join('plots',  f'{self.ticker}.png'))
+            rootdir = os.path.dirname(os.path.dirname(__file__))
+            fname = os.path.join(rootdir, 'plots', f'{self.ticker}.png')
+            plt.savefig(fname)
+            self.logger.info(f'Saved figure into: {fname}')
             plt.close()
             fig = None
         return fig
@@ -321,7 +324,7 @@ class TechnicalAnalysis():
 
 if __name__ == '__main__':
     ticker = 'GOOG'
-    df, fig = TechnicalAnalysis(ticker, plot_ta=True, savefig=False, debug=False).run()
+    df, fig = TechnicalAnalysis(ticker, plot_ta=True, savefig=True, debug=False).run()
     print(f'columns: {df.columns}')