Fixes in init (#14681)

* Fixes in init

* Style

src/transformers/__init__.py

@@ -118,6 +118,7 @@ _import_structure = {
         "is_flax_available",
         "is_psutil_available",
         "is_py3nvml_available",
+        "is_pyctcdecode_available",
         "is_scipy_available",
         "is_sentencepiece_available",
         "is_sklearn_available",
@@ -2149,6 +2150,7 @@ if TYPE_CHECKING:
         is_flax_available,
         is_psutil_available,
         is_py3nvml_available,
+        is_pyctcdecode_available,
         is_scipy_available,
         is_sentencepiece_available,
         is_sklearn_available,

src/transformers/models/wav2vec2_with_lm/__init__.py

@@ -20,11 +20,11 @@ from typing import TYPE_CHECKING
 from ...file_utils import _LazyModule, is_pyctcdecode_available
 
 
-_import_structure = {}
+_import_structure = {"processing_wav2vec2_with_lm": []}
 
 
 if is_pyctcdecode_available():
-    _import_structure["processing_wav2vec2_with_lm"] = ["Wav2Vec2ProcessorWithLM"]
+    _import_structure["processing_wav2vec2_with_lm"].append("Wav2Vec2ProcessorWithLM")
 
 
 if TYPE_CHECKING:

utils/check_inits.py

@@ -27,8 +27,6 @@ _re_backend = re.compile(r"is\_([a-z_]*)_available()")
 _re_import_struct_key_value = re.compile(r'\s+"\S*":\s+\[([^\]]*)\]')
 # Catches a line if is_foo_available
 _re_test_backend = re.compile(r"^\s*if\s+is\_[a-z_]*\_available\(\)")
-# Catches a line _import_struct["bla"] = ["foo"]
-_re_import_struct_equal_one = re.compile(r'^\s*_import_structure\["\S*"\]\ = "\[(\S*)\]"')
 # Catches a line _import_struct["bla"].append("foo")
 _re_import_struct_add_one = re.compile(r'^\s*_import_structure\["\S*"\]\.append\("(\S*)"\)')
 # Catches a line _import_struct["bla"].extend(["foo", "bar"]) or _import_struct["bla"] = ["foo", "bar"]
@@ -90,9 +88,7 @@ def parse_init(init_file):
             # Until we unindent, add backend objects to the list
             while len(lines[line_index]) <= 1 or lines[line_index].startswith(" " * 4):
                 line = lines[line_index]
-                if _re_import_struct_equal_one.search(line) is not None:
-                    objects.append(_re_import_struct_equal_one.search(line).groups()[0])
-                elif _re_import_struct_add_one.search(line) is not None:
+                if _re_import_struct_add_one.search(line) is not None:
                     objects.append(_re_import_struct_add_one.search(line).groups()[0])
                 elif _re_import_struct_add_many.search(line) is not None:
                     imports = _re_import_struct_add_many.search(line).groups()[0].split(", ")