python: tools: fix linter issues

Author: jgriffiths

tools/build_wrappers.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 import os
 import subprocess
-import sys
 
 # Structs with no definition in the public header files
 OPAQUE_STRUCTS = [u'words', u'wally_descriptor']
@@ -338,9 +337,9 @@ def gen_wally_hpp(funcs, all_funcs):
             prev = func.args[-3]
             impl.append(f'    if (ret == WALLY_OK && n != static_cast<size_t>({prev.name}.size())) ret = WALLY_EINVAL;')
         if is_verify_function:
-            impl.append(f'    return ret == WALLY_OK;')
+            impl.append('    return ret == WALLY_OK;')
         else:
-            impl.append(f'    return detail::check_ret(__FUNCTION__, ret);')
+            impl.append('    return detail::check_ret(__FUNCTION__, ret);')
         impl.extend([u'}', u''])
         (cpp_elements if func.is_elements else cpp)[func.name] = impl
 
@@ -490,8 +489,10 @@ def map_args(func):
 
                 js_args.append(js_arg_type)
 
-                if ts_arg_type:    ts_args.append(f'{arg.name}: {ts_arg_type}')
-                if ts_return_type: ts_returns.append(f'{arg.name}: {ts_return_type}')
+                if ts_arg_type:
+                    ts_args.append(f'{arg.name}: {ts_arg_type}')
+                if ts_return_type:
+                    ts_returns.append(f'{arg.name}: {ts_return_type}')
 
                 continue
 

tools/wordlist_cc.py

@@ -17,7 +17,7 @@ def as_hex(s):
         assert len(words) >= 2
         assert len(words) in bits
 
-        lengths = [ 0 ];
+        lengths = [ 0 ]
         for w in words:
             lengths.append(lengths[-1] + len(w.encode('utf-8')) + 1)
         idxs = ['{0}+{1}'.format(string_name, n) for n in lengths]