message: [fix] Temporary filename for CSV upload to Hive
diff: @@ -27,7 +27,6 @@ from sqlalchemy.engine.base import Engine
  from sqlalchemy.engine.reflection import Inspector
  from sqlalchemy.engine.url import make_url
  from sqlalchemy.sql.expression import ColumnClause, Select
  -from werkzeug.utils import secure_filename
  from superset import app, cache, conf
  from superset.db_engine_specs.base import BaseEngineSpec
  @@ -150,14 +149,12 @@ class HiveEngineSpec(PrestoEngineSpec):
  )
  filename = form.csv_file.data.filename
  -
  upload_prefix = config["CSV_TO_HIVE_UPLOAD_DIRECTORY"]
  - upload_path = config["UPLOAD_FOLDER"] + secure_filename(filename)
  # Optional dependency
  from tableschema import Table # pylint: disable=import-error
  - hive_table_schema = Table(upload_path).infer()
  + hive_table_schema = Table(filename).infer()
  column_name_and_type = []
  for column_info in hive_table_schema["fields"]:
  column_name_and_type.append(
  @@ -173,7 +170,9 @@ class HiveEngineSpec(PrestoEngineSpec):
  s3 = boto3.client("s3")
  location = os.path.join("s3a://", bucket_path, upload_prefix, table_name)
  s3.upload_file(
  - upload_path, bucket_path, os.path.join(upload_prefix, table_name, filename)
  + filename,
  + bucket_path,
  + os.path.join(upload_prefix, table_name, os.path.basename(filename)),
  )
  sql = f"""CREATE TABLE {full_table_name} ( {schema_definition} )
  ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' STORED AS
  