Update PythonDataProvider.cs

Add .DefaultIfEmpty to stop MaxBy blowing up in absence of Python
HicServices · Aug 11, 2023 · e9b06fc · e9b06fc
1 parent 8f1fc2d
commit e9b06fc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Python/LoadModules.Extensions.Python/DataProvider/PythonDataProvider.cs b/Python/LoadModules.Extensions.Python/DataProvider/PythonDataProvider.cs
@@ -311,7 +311,8 @@ private static (decimal minor, string fullVersion, string path) GetPython(char m
         using var user = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Python\\PythonCore");
         using var machine32 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\WOW6432Node\\Python\\PythonCore");
         using var user32 = Registry.CurrentUser.OpenSubKey("SOFTWARE\\WOW6432Node\\Python\\PythonCore");
-        var candidate = GetPythonVersions(machine,major).Union(GetPythonVersions(user,major)).MaxBy(static v=>v.minor);
+        var candidate = GetPythonVersions(machine, major).Union(GetPythonVersions(user, major)).DefaultIfEmpty()
+            .MaxBy(static v => v.minor);
         return candidate;
     }