FIX: Truncate buffer on EOF

Author: effigies

nibabel/streamlines/tck.py

@@ -408,6 +408,8 @@ def _read(cls, fileobj, header, buffer_size=4):
                 buff = bytearray(buffer_size)
                 n_read = f.readinto(buff)
                 eof = n_read != buffer_size
+                if eof:
+                    buff = buff[:n_read]
 
                 buffs.append(buff)