Format string problem

fmtstr.py

# Template
TEST_TEMPLATE_RAW = """@test "{description} [{shell}]" {{
    run ./{script_name} {shell} --debug --no-exec
    {assert_type} {partial} {regexflag} "{expected}"
}}

# Codebit
# test is dumped in by pyyaml 
print TEST_TEMPLATE_RAW.format(**test)

output.txt

# Output
@test "Unknown command check 1.0 [bianca-blog.dev.app site.yml -b example-1 check list-hosts]" {
    run ./ap.sh bianca-blog.dev.app site.yml -b example-1 check list-hosts --debug --no-exec
    assert_failure   ""
}

# Desired output (note the trimmed whitespace after assert_failure/getting rid of ""
@test "Unknown command check 1.0 [bianca-blog.dev.app site.yml -b example-1 check list-hosts]" {
    run ./ap.sh bianca-blog.dev.app site.yml -b example-1 check list-hosts --debug --no-exec
    assert_failure
}

testkeys.yml

# Test keys/vals (in yaml)
description: Unknown command check
playbook: site.yml
commands: -b example-1 check list-hosts
assert_type: assert_failure