tools: ot.pyot: fix typos and unmanaged error

python/qemu/ot/pyot/executer.py

@@ -192,10 +192,10 @@ def run(self, debug: bool, allow_no_test: bool) -> int:
                         'UTFILE': basename(test),
                     })
                     self._log.info('[TEST %s] (%d/%d)', test_name, tpos, tcount)
+                    context = 'pre'
                     exec_info = self._build_test_command(test)
                     exec_info.test_name = test_name
                     vcplogfile = self._log_vcp_streams(exec_info)
-                    context = 'pre'
                     exec_info.context.execute(context)
                     context = 'with'
                     tret, xtime, err = qot.run(exec_info)
@@ -257,7 +257,7 @@ def run(self, debug: bool, allow_no_test: bool) -> int:
             self._log.info('%s count: %d',
                            self.RESULT_MAP.get(kind, kind),
                            results[kind])
-        # sort by the largest occurence, discarding success
+        # sort by the largest occurrence, discarding success
         errors = sorted((x for x in results.items() if x[0] > 0),
                         key=lambda x: -x[1])
         # overall return code is the most common error, or success otherwise
@@ -307,7 +307,7 @@ def _cleanup_temp_files(self, storage: dict[str, set[str]]) -> None:
 
     def _build_command(self, args: Namespace,
                        opts: Optional[list[str]] = None) -> EasyDict[str, Any]:
-        raise NotImplementedError('Abstact command')
+        raise NotImplementedError('Abstract command')
 
     def _build_test_command(self, filename: str) -> EasyDict[str, Any]:
         test_name = self.get_test_radix(filename)

python/qemu/ot/pyot/qemu/executer.py

@@ -103,7 +103,7 @@ def _build_fw_args(self, args: Namespace) \
             else:
                 if xtype != 'elf':
                     raise ValueError(f'No support for test type: '
-                                     f'{xtype.upper()}')
+                                     f'{xtype.upper()} for {exec_path}')
                 if rom_exec:
                     # generate ROM option(s) for the application itself
                     for chip in range(chiplet_count):

python/qemu/ot/pyot/worker.py

@@ -63,11 +63,11 @@ def command(self) -> str:
         return normpath(self._cmd.split(' ', 1)[0])
 
     @property
-    def first_error(self):
+    def first_error(self) -> str:
         """Return the message of the first error, if any."""
         return self._first_error
 
-    def _run(self):
+    def _run(self) -> None:
         self._resume = True
         if self._sync and not self._sync.is_set():
             self._log.info('Waiting for sync')