style: Comply with E275

Author: radimkarnis

espsecure.py

@@ -484,7 +484,7 @@ def validate_signature_block(image_content, sig_blk_num):
 
     offset = -SECTOR_SIZE + sig_blk_num * SIG_BLOCK_SIZE
     sig_blk = image_content[offset: offset + SIG_BLOCK_SIZE]
-    assert(len(sig_blk) == SIG_BLOCK_SIZE)
+    assert len(sig_blk) == SIG_BLOCK_SIZE
 
     # note: in case of ECDSA key, the exact fields in the middle are wrong (but unused here)
     magic, version, _, _, _, _, _, _, blk_crc = struct.unpack("<BBxx32s384sI384sI384sI16x",

esptool.py

@@ -2869,7 +2869,7 @@ def maybe_patch_segment_data(self, f, segment_data):
             if segment_data[patch_offset:patch_offset + self.SHA256_DIGEST_LEN] != b'\x00' * self.SHA256_DIGEST_LEN:
                 raise FatalError('Contents of segment at SHA256 digest offset 0x%x are not all zero. Refusing to overwrite.' %
                                  self.elf_sha256_offset)
-            assert(len(self.elf_sha256) == self.SHA256_DIGEST_LEN)
+            assert len(self.elf_sha256) == self.SHA256_DIGEST_LEN
             segment_data = segment_data[0:patch_offset] + self.elf_sha256 + \
                 segment_data[patch_offset + self.SHA256_DIGEST_LEN:]
         return segment_data