Merge pull request #342 from MIT-LCP/booleans

Eliminate "is True" and "is False"

Author: tompollard

wfdb/io/_signal.py

@@ -698,9 +698,9 @@ def convert_dtype(self, physical, return_res, smooth_frames):
         N/A
 
         """
-        if physical is True:
+        if physical:
             return_dtype = 'float'+str(return_res)
-            if smooth_frames is True:
+            if smooth_frames:
                 current_dtype = self.p_signal.dtype
                 if current_dtype != return_dtype:
                     self.p_signal = self.p_signal.astype(return_dtype, copy=False)
@@ -715,7 +715,7 @@ def convert_dtype(self, physical, return_res, smooth_frames):
                             self.p_signal[ch] = self.p_signal[ch].astype(return_dtype, copy=False)
         else:
             return_dtype = 'int'+str(return_res)
-            if smooth_frames is True:
+            if smooth_frames:
                 current_dtype = self.d_signal.dtype
                 if current_dtype != return_dtype:
                     # Do not allow changing integer dtype to lower value due to over/underflow
@@ -1891,7 +1891,7 @@ def _np_dtype(bit_res, discrete):
         if bit_res <= np_res:
             break
 
-    if discrete is True:
+    if discrete:
         return 'int' + str(np_res)
     else:
         # No float8 dtype

wfdb/io/record.py

@@ -409,12 +409,12 @@ def check_read_inputs(self, sampfrom, sampto, channels, physical,
 
         if return_res not in [64, 32, 16, 8]:
             raise ValueError("return_res must be one of the following: 64, 32, 16, 8")
-        if physical is True and return_res == 8:
+        if physical and return_res == 8:
             raise ValueError("return_res must be one of the following when physical is True: 64, 32, 16")
 
         # Cannot expand multiple samples/frame for multi-segment records
         if isinstance(self, MultiRecord):
-            if smooth_frames is False:
+            if not smooth_frames:
                 raise ValueError('This package version cannot expand all samples when reading multi-segment records. Must enable frame smoothing.')