Apply black formatting to pci.py

Apply black formatting to pci.py

Signed-off-by: Praveen K Pandey <praveen@linux.vnet.ibm.com>

Author: PraveenPenguin

avocado/utils/pci.py

@@ -334,8 +334,10 @@ def unbind(driver, full_pci_address):
     """
     genio.write_file_or_fail(f"/sys/bus/pci/drivers/{driver}/unbind", full_pci_address)
     if wait.wait_for(
-        lambda: os.path.exists(f"/sys/bus/pci/drivers/\
-{driver}/{full_pci_address}"),
+        lambda: os.path.exists(
+            f"/sys/bus/pci/drivers/\
+{driver}/{full_pci_address}"
+        ),
         timeout=5,
     ):
         raise ValueError(f"Not able to unbind {full_pci_address} from {driver}")
@@ -351,8 +353,10 @@ def bind(driver, full_pci_address):
     """
     genio.write_file_or_fail(f"/sys/bus/pci/drivers/{driver}/bind", full_pci_address)
     if not wait.wait_for(
-        lambda: os.path.exists(f"/sys/bus/pci/drivers/\
-{driver}/{full_pci_address}"),
+        lambda: os.path.exists(
+            f"/sys/bus/pci/drivers/\
+{driver}/{full_pci_address}"
+        ),
         timeout=5,
     ):
         raise ValueError(f"Not able to bind {full_pci_address} to {driver}")