Use Popen to fix output order in drone

run_all.py

@@ -2,13 +2,18 @@
 
 from os import listdir
 from os.path import isdir, isfile
-from subprocess import run
+from subprocess import Popen, PIPE, CalledProcessError
 
 
 for dir in [x for x in sorted(listdir('.')) if isdir(x)]:
     file = dir + '/' + dir + '.py'
     input = dir + '/input.txt'
     if isfile(file) and isfile(input):
-        print(dir, 'result:')
-        run(["python3", file])
+        print(dir, ':', sep='')
+        with Popen(["python3", file], stdout=PIPE, bufsize=1, universal_newlines=True) as p:
+            for b in p.stdout:
+                print(b, end='')
+        if p.returncode != 0:
+            raise CalledProcessError(p.returncode, p.args)
+