Fix Win32 Conda Python Interpreters (#644)

* Update python_interpreter.rs

* Update python_interpreter.rs

* Update python_interpreter.rs

* lint

* typo

* Update src/python_interpreter.rs

Co-authored-by: messense <messense@icloud.com>

src/python_interpreter.rs

@@ -166,7 +166,12 @@ fn find_all_windows(target: &Target, min_python_minor: usize) -> Result<Vec<Stri
         }
 
         for path in paths {
-            let executable = Path::new(&path).join("python");
+            let executable_win = Path::new(&path).join("python.exe");
+            let executable = if executable_win.exists() {
+                executable_win
+            } else {
+                Path::new(&path).join("python")
+            };
             let python_info = Command::new(&executable)
                 .arg("-c")
                 .arg("import sys; print(sys.version)")