to avoid type's mismatch durind concatenation modified to f-strings (a…

…pache#38412)

airflow/cli/commands/info_command.py

@@ -84,7 +84,7 @@ def process_path(self, value) -> str:
     def process_username(self, value) -> str:
         if not value:
             return value
-        return value[0] + "..." + value[-1]
+        return f"{value[0]}...{value[-1]}"
 
     def process_url(self, value) -> str:
         if not value:
@@ -114,11 +114,11 @@ def process_url(self, value) -> str:
 
             # pack
             if username and password and host:
-                netloc = username + ":" + password + "@" + host
+                netloc = f"{username}:{password}@{host}"
             elif username and host:
-                netloc = username + "@" + host
+                netloc = f"{username}@{host}"
             elif password and host:
-                netloc = ":" + password + "@" + host
+                netloc = f":{password}@{host}"
             elif host:
                 netloc = host
             else:
@@ -217,7 +217,7 @@ def get_fullname(o):
             if module is None or module == str.__class__.__module__:
                 return o.__class__.__name__  # Avoid reporting __builtin__
             else:
-                return module + "." + o.__class__.__name__
+                return f"{module}.{o.__class__.__name__}"
 
         try:
             handler_names = [get_fullname(handler) for handler in logging.getLogger("airflow.task").handlers]