diff --git a/wavinfo/wave_smpl_reader.py b/wavinfo/wave_smpl_reader.py
index eb09f91..d6ae708 100644
--- a/wavinfo/wave_smpl_reader.py
+++ b/wavinfo/wave_smpl_reader.py
@@ -5,27 +5,27 @@ from typing import Tuple, NamedTuple, List
 
 
 class WaveSmplLoop(NamedTuple):
-    ident: int 
-    loop_type: int 
-    start: int 
+    ident: int
+    loop_type: int
+    start: int
     end: int
     fraction: int
     repetition_count: int
 
 
 class WaveSmplReader:
-    
+
     def __init__(self, smpl_data: bytes):
         """
         Read sampler metadata from smpl chunk.
         """
-        
+
         header_field_fmt = "<IIIIIIbbbbII"
         loop_field_fmt = "<IIIIII"
         header_size = struct.calcsize(header_field_fmt)
         loop_size = struct.calcsize(loop_field_fmt)
 
-        unpacked_data = struct.unpack(header_field_fmt, 
+        unpacked_data = struct.unpack(header_field_fmt,
                                       smpl_data[0:header_size])
 
         #: The MIDI Manufacturer's Association code for the sampler manufactuer,
@@ -39,7 +39,7 @@ class WaveSmplReader:
         #: The number of nanoseconds in one audio frame.
         self.sample_period: int = unpacked_data[2]
 
-        #: The MIDI note number for the loops in this sample 
+        #: The MIDI note number for the loops in this sample
         self.midi_note: int = unpacked_data[3]
 
         #: The number of semitones above the MIDI note the loops tune for.
@@ -48,22 +48,22 @@ class WaveSmplReader:
         #: SMPTE timecode format, one of (0, 24, 25, 29, 30)
         self.smpte_format: int = unpacked_data[5]
 
-        #: The SMPTE offset to apply, as a tuple of four ints representing 
+        #: The SMPTE offset to apply, as a tuple of four ints representing
         #: hh, mm, ss, ff
-        self.smpte_offset: Tuple[int, int, int, int]  = unpacked_data[6:10]
-        
+        self.smpte_offset: Tuple[int, int, int, int] = unpacked_data[6:10]
+
         loop_count = unpacked_data[10]
         sampler_udata_length = unpacked_data[11]
 
         #: List of loops in the file.
-        self.sample_loops: List[WaveSmplLoop] = [] 
-        
+        self.sample_loops: List[WaveSmplLoop] = []
+
         loop_buffer = smpl_data[header_field_fmt:
                                 header_field_fmt + loop_size * loop_count]
 
         for unpacked_loop in struct.iter_unpack(loop_field_fmt, loop_buffer):
             self.sample_loops.append(WaveSmplLoop(
-                ident=unpacked_loop[0], 
+                ident=unpacked_loop[0],
                 loop_type=unpacked_loop[1],
                 start=unpacked_loop[2],
                 end=unpacked_loop[3],
@@ -72,7 +72,5 @@ class WaveSmplReader:
 
         #: Sampler-specific user data.
         self.sampler_udata: bytes = smpl_data[
-                header_field_fmt + loop_size * loop_count : 
-                header_field_fmt + loop_size * loop_count + sampler_udata_length]
-
-
+            header_field_fmt + loop_size * loop_count:
+            header_field_fmt + loop_size * loop_count + sampler_udata_length]