lora: Fix import error detection for missing drivers.

Signed-off-by: Breno RdV <breno@raccoon.ninja>

Author: brenordv

micropython/lora/lora/lora/__init__.py

@@ -5,30 +5,36 @@
 
 ok = False  # Flag if at least one modem driver package is installed
 
+
+def _can_ignore_error(e):
+    """Check if ImportError can be ignored due to missing module."""
+    return all(x in str(e) for x in ["no module named", "lora"])
+
+
 # Various lora "sub-packages"
 
 try:
     from .sx126x import *  # noqa: F401
 
     ok = True
 except ImportError as e:
-    if "no module named 'lora." not in str(e):
+    if not _can_ignore_error(e):
         raise
 
 try:
     from .sx127x import *  # noqa: F401
 
     ok = True
 except ImportError as e:
-    if "no module named 'lora." not in str(e):
+    if not _can_ignore_error(e):
         raise
 
 try:
     from .stm32wl5 import *  # noqa: F401
 
     ok = True
 except ImportError as e:
-    if "no module named 'lora." not in str(e):
+    if not _can_ignore_error(e):
         raise