diff --git a/main.py b/main.py
index efc3a21..e601b06 100644
--- a/main.py
+++ b/main.py
@@ -54,9 +54,11 @@ def search_site(SITE):
             )
 
 
-if len(sys.argv) > 1:
-    for site in sys.argv[1:]:
-        search_site(site)
+if len(sys.argv) == 1:
+    sites = ["grenoble", "lille", "luxembourg", "lyon", "nancy", "nantes", "rennes", "sophia", "strasbourg", "toulouse"]
 else:
-    search_site("rennes")
+    sites = sys.argv[1:]
+
+for site in sites:
+    search_site(site)
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3288e92
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+requests
+