fix: small fixes

src/qibo_cloud_backends/__init__.py

@@ -1,7 +1,10 @@
 import importlib.metadata as im
 import os
+<<<<<<< HEAD
 from typing import Union
 
+=======
+>>>>>>> f7879de (fix: small fixes)
 from typing import Union
 
 from qibo.config import raise_error
@@ -29,7 +32,7 @@ def load(
         Args:
             worker (str): Name of the backend to load, one in ("qibo-client", "qiskit-client").
             token (str): User token for the remote connection.
-            provider (str): Name of the provider of the service, e.g. `ibm-q` for IBM.  
+            provider (str): Name of the provider of the service, e.g. `ibm-q` for IBM.
             platform (str): Name of the platform to connect to on the provider's servers, e.g. `ibmq_qasm_simulator` for IBM.
         Returns:
             qibo.backends.abstract.Backend: The loaded backend.
@@ -45,14 +48,16 @@ def load(
                 f"Unsupported worker, please use one among {WORKERS}.",
             )
 
-    def list_available(self, tokens: dict=None) -> dict:
+    def list_available(self, tokens: dict = None) -> dict:
         """Lists all the available qibocloud backends."""
         if tokens is None:
             tokens = {}
         available_backends = {}
         for worker, token in zip(WORKERS, TOKENS):
             try:
-                token = tokens.get(worker, os.environ[f"{worker.replace('-', '_').upper()}_TOKEN"])
+                token = tokens.get(
+                    worker, os.environ[f"{worker.replace('-', '_').upper()}_TOKEN"]
+                )
                 MetaBackend.load(worker=worker, token=token)
                 available = True
             except: