diff --git a/inc/Node.h b/inc/Node.h
index 588c20f0e4abefa104c8c18cee94bb39479c7c41..4f65bcf1d8b9d0cf1b6aec06c66bf977052283c8 100644
--- a/inc/Node.h
+++ b/inc/Node.h
@@ -37,7 +37,7 @@ using namespace std;
 #define PORT "2000"
 
 #define LOGGING_FILE_NAME "logs.txt"
-#define EXEC_CMD "./" //python for python script, ./ for an executable
+#define EXEC_CMD "python " //python for python script, ./ for an executable
 
 // --- parameters (stay tuned) ---
 #define T_period 150000 // in microseconds
diff --git a/map1.py b/map1.py
index 83b8e33a4c28367c0295ce26b421f5f7294bf9d5..a7c7cefe9460d815b72c3db3a5177a521c4dacb8 100644
--- a/map1.py
+++ b/map1.py
@@ -12,6 +12,7 @@ def map1(vote_str):
             else:
                 ret = vote[j] + ">" + vote[i] + ",0"
             print(ret)
-            test_ret += ret
-            test_ret += '\n'
-    return test_ret
+with open(sys.argv[1]) as f:
+    lines = f.readlines()
+for l in lines:
+    map1(l)