Cloud Spanner queries are not working

[shashank-google]

type: bug

Example command:
data-validation query --conn spanner-perf -q "select * from salaries limit 10"

Output:
[name: "emp_no"
type_ {
code: INT64
}
, name: "salary"
type_ {
code: INT64
}
, name: "from_date"
type_ {
code: DATE
}
, name: "to_date"
type_ {
code: DATE
}
]
Traceback (most recent call last):
File "/home/ext_agarwalsh_google_com/venv/bin/data-validation", line 11, in
load_entry_point('google-pso-data-validator', 'console_scripts', 'data-validation')()
File "/home/ext_agarwalsh_google_com/venv/src/google-pso-data-validator/data_validation/main.py", line 350, in main
print(run_raw_query_against_connection(args))
File "/home/ext_agarwalsh_google_com/venv/src/google-pso-data-validator/data_validation/main.py", line 248, in run_raw_query_against_connection
with client.raw_sql(args.query, results=True) as cur:
AttributeError: enter