Fix account subscriptions debug print

peertube.py

@@ -449,6 +449,14 @@ class Account:
         self.name = name
         self.domain = domain
 
+    # Maybe useful?
+    def __str__(self):
+        return self.name + "@" + self.domain
+
+    # For debug prints
+    def __repr__(self):
+        return self.name + "@" + self.domain
+
     # Builds an Account from one of the following syntaxes, additionally stripping extra whitespace and ignoring `#` as comments:
     #   - id@server
     #   - @id@server