diff --git a/.gitignore b/.gitignore
index e61bca2..c7ca2f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -114,3 +114,18 @@ dmypy.json
 # Pyre type checker
 .pyre/
 
+# ---> Linux
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
diff --git a/bmp.py b/bmp.py
index b24d890..e21d937 100644
--- a/bmp.py
+++ b/bmp.py
@@ -1,8 +1,13 @@
 import time
 
-from . import logger, background_task, DEBUG
-if not DEBUG:
-	import smbus
+from . import logger, background_task
+try:
+    import smbus
+except ImportError:
+    logger.warning("Could not import smbus. DEBUG set to True.")
+    DEBUG = True
+else:
+    from . import DEBUG
 
 
 class bmp_180(background_task):
diff --git a/dht.py b/dht.py
index cfb34d2..a4161b7 100644
--- a/dht.py
+++ b/dht.py
@@ -1,10 +1,13 @@
 import time
 
-from . import logger, background_task, DEBUG
-
-if not DEBUG:
+from . import logger, background_task
+try:
     import adafruit_dht
-
+except ImportError:
+    logger.warning("Could not import adafruit_dht. DEBUG set to True")
+    DEBUG = True
+else:
+    from . import DEBUG
 
 class dht_22(background_task):
     RUN_SLEEP_TIME = 2.0