# Buggy code
def get_cloudwatchevents_client(module):
    """Returns a boto3 client for accessing CloudWatch Events"""
    try:
        region, ec2_url, aws_conn_kwargs = get_aws_connection_info(module, boto3=True)
        if not region:
            module.fail_json(
                msg="Region must be specified as a parameter, in \
                             EC2_REGION or AWS_REGION environment variables \
                             or in boto configuration file"
            )
        return boto3_conn(
            module,
            conn_type="client",
            resource="events",
            region=region,
            endpoint=ec2_url,
            **aws_conn_kwargs,
        )
    except boto3.exception.NoAuthHandlerFound as e:
        module.fail_json(msg=str(e))


# Traceback (NameError)
The full traceback is:
Traceback (most recent call last):
File "/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py", line 427, in <module>
main()
File "/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py", line 415, in main
cwe_rule_manager.ensure_present()
File "/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py", line 267, in ensure_present
rule_description = self.rule.describe()
File "/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py", line 145, in describe
except botocore.exceptions.ClientError as e:
NameError: global name 'botocore' is not defined

fatal: [localhost]: FAILED! => {
"changed": false,
"failed": true,
"module_stderr": "Traceback (most recent call last):\n  File \"/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py\", line 427, in <module>\n    main()\n  File \"/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py\", line 415, in main\n    cwe_rule_manager.ensure_present()\n  File \"/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py\", line 267, in ensure_present\n    rule_description = self.rule.describe()\n  File \"/var/folders/2d/bq5mpnnn38b06hwfr4ck8q1w9nfwpk/T/ansible_Zao6N2/ansible_module_cloudwatchevent_rule.py\", line 145, in describe\n    except botocore.exceptions.ClientError as e:\nNameError: global name 'botocore' is not defined\n",
"module_stdout": "",
"msg": "MODULE FAILURE",
"rc": 0
}

# Fixed code
def get_cloudwatchevents_client(module):
    """Returns a boto3 client for accessing CloudWatch Events"""
    try:
        region, ec2_url, aws_conn_kwargs = get_aws_connection_info(module, boto3=True)
        if not region:
            module.fail_json(
                msg="Region must be specified as a parameter, in \
                             EC2_REGION or AWS_REGION environment variables \
                             or in boto configuration file"
            )
        return boto3_conn(
            module,
            conn_type="client",
            resource="events",
            region=region,
            endpoint=ec2_url,
            **aws_conn_kwargs,
        )
    except botocore.exceptions.ProfileNotFound as e:
        module.fail_json(msg=str(e))