diff --git a/src/ria_toolkit_oss/sdr/blade.py b/src/ria_toolkit_oss/sdr/blade.py
index 0e9b923..02fa8ca 100644
--- a/src/ria_toolkit_oss/sdr/blade.py
+++ b/src/ria_toolkit_oss/sdr/blade.py
@@ -1,12 +1,11 @@
 from typing import Optional
 
 import numpy as np
+from bladerf import _bladerf
 
 from ria_toolkit_oss.datatypes import Recording
 from ria_toolkit_oss.sdr import SDR
 
-from bladerf import _bladerf
-
 
 class Blade(SDR):
 
diff --git a/src/ria_toolkit_oss/sdr/sdr.py b/src/ria_toolkit_oss/sdr/sdr.py
index 7bfbfbf..b69920a 100644
--- a/src/ria_toolkit_oss/sdr/sdr.py
+++ b/src/ria_toolkit_oss/sdr/sdr.py
@@ -12,7 +12,7 @@ from ria_toolkit_oss.datatypes.recording import Recording
 
 class SDR(ABC):
     """
-    This class defines a common interface (a template) for all SDR devices. 
+    This class defines a common interface (a template) for all SDR devices.
     Each specific SDR implementation should subclass SDR and provide concrete implementations
     for the abstract methods.
 
@@ -22,7 +22,7 @@ class SDR(ABC):
     """
 
     def __init__(self):
-        
+
         self._rx_initialized = False
         self._tx_initialized = False
         self._enable_rx = False
@@ -36,7 +36,7 @@ class SDR(ABC):
     def record(self, num_samples: Optional[int] = None, rx_time: Optional[int | float] = None) -> Recording:
         """
         Create a radio recording of a given length. Either ``num_samples`` or ``rx_time`` must be provided.
-        
+
         Note that ``init_rx()`` must be called before ``record()``.
 
         :param num_samples: The number of samples to record.