Added help instructions to assit the user in installing the Pithon's yfinance library.

Author: AldoCorbelliniUNIPR

toolbox/utilities/getFundamentals.m

@@ -191,8 +191,16 @@
 try
     py.importlib.import_module('yfinance');
 catch
-    error('FSDA:getFundamentals:MissingPackage', ...
-        'Python package "yfinance" is not installed. Run: python.exe -m pip install yfinance');
+linkCmd = ['<a href="matlab:setupPythonEnv(''', ...
+           'PipCommand'',''install yfinance'')">', ...
+           'setupPythonEnv(''PipCommand'',''install yfinance'')', ...
+           '</a>'];
+
+error('FSDA:getFundamentals:MissingPackage', ...
+    ['Python package "yfinance" is not installed. Run from the terminal: python -m pip install yfinance or' ...
+     newline 'call FSDA routine setupPythonEnv' ...
+     newline 'with the following syntax: ' ...
+     newline linkCmd]);
 end
 
 n = numel(ticker);