python显示括号错误_【求救】python中处理错误值时总是提示missing)，但实际括号都是英文，也没有缺失括号，求救！！！...
loan=pd.read_csv(r"C:\Users\86153\Desktop\python考试题\12月考试\data\small_loan.csv",encoding="utf-8")
loan.head(10)
loan.drop("id",inplace=True,axis=1)
x_=loan.drop(["response"],axis=1)
y_=loan["response"].values
#区分类别
def get_kind(x:pd.Series,diff_limit:int=10):
x=x.astype(str)
x=x.str.extract(r"(^(\-|)(?=.*\d)\d*(?:\.\d*)?$")[0]
x.dropna(inplace=True)
if x.nunique()>diff_limit:
kind="numeric"
else:
kind="categorical"
return kind
#处理错误值
class wrong_value_fillna(BaseEstimator,TransformerMixin):
def __init__(self,
num_list:list=None,
cate_list:list=None,
wrong_value:list=None,
diff_num:int=10):
self.num_list=num_list
self.cate_list=cate_list
self.diff_num=diff_num
self.wrong_value=wrong_value
def fit(self,X,y=None):
X=X.copy()
if self.num_list is None:
self.num_list=[]
for col in X.columns:
kind=get_kind(x=X[col],diff_limit=self.diff_num)
if kind=="numeric":
self.num_list.append(col)
if self.cate_list is None:
self.cate_list=[]
for col in X.columns:
kind=get_kind(x=X[col],diff_limit=self.diff_num)
if kind=="categorical":
self.cate_list.append(col)
return(self)
def transform(self,X,y=None):
X=X.copy()
X.replace(self.wrong_value,np.nan,inplace=True)
for col in X.columns:
if get_kind(X[col])=="numeric":
X[col]=X[col].astype("float")
else:
X[col]=X[col].astype("object")
return X
wvf=wrong_value_fillna(wrong_value=[".","?"])
x_=wvf.fit_transform(x_,y_)
老师，前面的代码是这样的，运行都没有报错，运行到最后一步时报missing)错误