prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Several testinfra tests failing against 1.8.0-rc1 Focal production instances:
  ## Description
  `./securedrop-admin verify` against a 1.8.0-rc1 instance results in 11 test failures (of which 2 are expected)
  
  ```
  ============================================================================================= short test summary info =============================================================================================
  FAILED app/test_apparmor.py::test_apparmor_enforced[paramiko:/app-xenial] - AssertionError: assert 'xenial' in '   /usr/bin/man\n   /usr/lib/NetworkManager/nm-dhcp-client.action\n   /usr/lib/NetworkManager/nm...
  FAILED app/test_apparmor.py::test_apparmor_enforced[paramiko:/app-focal] - AssertionError: assert 'focal' in '   /usr/bin/man\n   /usr/lib/NetworkManager/nm-dhcp-client.action\n   /usr/lib/NetworkManager/nm-d...
  FAILED app-code/test_securedrop_rqrequeue.py::test_securedrop_rqrequeue_service[paramiko:/app] - assert '[Unit]\nDesc...user.target\n' == '[Unit]\nDesc...user.target\n'
  FAILED app-code/test_securedrop_rqworker.py::test_securedrop_rqworker_service[paramiko:/app] - assert '[Unit]\nDesc...user.target\n' == '[Unit]\nDesc...user.target\n'
  FAILED app-code/test_securedrop_shredder_configuration.py::test_securedrop_shredder_service[paramiko:/app] - assert '[Unit]\nDesc...user.target\n' == '[Unit]\nDesc...user.target\n'
  FAILED app-code/test_securedrop_source_deleter_configuration.py::test_securedrop_source_deleter_service[paramiko:/app] - assert '[Unit]\nDesc...user.target\n' == '[Unit]\nDesc...user.target\n'
  FAILED app-code/test_securedrop_app_code.py::test_securedrop_application_apt_dependencies[paramiko:/app-libpython3.5] - AssertionError: assert False
  (expected failure) FAILED common/test_fpf_apt_repo.py::test_fpf_apt_repo_present[paramiko:/app] - AssertionError: Unexpected exit code 2 for CommandResult(command=b"grep -qs -- '^deb \\[arch=amd64\\] https://apt\\.freedom\\.pre...
  (expected failure) FAILED common/test_fpf_apt_repo.py::test_fpf_apt_repo_present[paramiko:/mon] - AssertionError: Unexpected exit code 2 for CommandResult(command=b"grep -qs -- '^deb \\[arch=amd64\\] https://apt\\.freedom\\.pre...
  FAILED common/test_grsecurity.py::test_paxctld_focal[paramiko:/mon] - RuntimeError: Ansible module is only available with ansible connection backend
  FAILED common/test_grsecurity.py::test_paxctld_focal[paramiko:/app] - RuntimeError: Ansible module is only available with ansible connection backend
  ============================================================= 11 failed, 441 passed, 7 skipped, 3 xfailed, 1 xpassed, 8 warnings in 842.46s (0:14:02) =============================================================
  ```
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `molecule/testinfra/conftest.py`
  Content:
  ```
  1 """
  2 Configuration for TestInfra test suite for SecureDrop.
  3 Handles importing host-specific test vars, so test functions
  4 can be reused across multiple hosts, with varied targets.
  5 
  6 Vars should be placed in `testinfra/vars/<hostname>.yml`.
  7 """
  8 
  9 import io
  10 import os
  11 import yaml
  12 from typing import Any, Dict
  13 
  14 import testutils
  15 
  16 
  17 # The config tests target staging by default. It's possible to override
  18 # for e.g. prod, but the associated vars files are not yet ported.
  19 target_host = os.environ.get('SECUREDROP_TESTINFRA_TARGET_HOST', 'staging')
  20 
  21 
  22 def securedrop_import_testinfra_vars(hostname, with_header=False):
  23     """
  24     Import vars from a YAML file to populate tests with host-specific
  25     values used in checks. For instance, the SecureDrop docroot will
  26     be under /vagrant in development, but /var/www/securedrop in staging.
  27 
  28     Vars must be stored in `testinfra/vars/<hostname>.yml`.
  29     """
  30     filepath = os.path.join(os.path.dirname(__file__), "vars", hostname+".yml")
  31     with io.open(filepath, 'r') as f:
  32         hostvars = yaml.safe_load(f)
  33 
  34     # Testing against both Focal and Xenial must be supported for now in both
  35     # staging scenarios, and in prod via `USE_FOCAL=1 ./securedrop-admin verify`
  36     testing_focal = False
  37     scenario_env = "MOLECULE_SCENARIO_NAME"
  38     if scenario_env in os.environ and os.environ.get(scenario_env).endswith("focal"):
  39         testing_focal = True
  40     if "USE_FOCAL" in os.environ:
  41         testing_focal = True
  42 
  43     if testing_focal:
  44         hostvars['securedrop_venv_site_packages'] = hostvars["securedrop_venv_site_packages"].format("3.8")  # noqa: E501
  45         hostvars['python_version'] = "3.8"
  46     else:
  47         hostvars['securedrop_venv_site_packages'] = hostvars["securedrop_venv_site_packages"].format("3.5")  # noqa: E501
  48         hostvars['python_version'] = "3.5"
  49 
  50     if with_header:
  51         hostvars = dict(securedrop_test_vars=hostvars)
  52 
  53     return hostvars
  54 
  55 
  56 class TestVars(dict):
  57     managed_attrs = {}  # type: Dict[str, Any]
  58 
  59     def __init__(self, initial: Dict[str, Any]) -> None:
  60         self.securedrop_target_distribution = os.environ.get("SECUREDROP_TARGET_DISTRIBUTION")
  61         self.managed_attrs.update(initial)
  62 
  63     def __getattr__(self, name: str) -> Any:
  64         """
  65         If the requested attribute names a dict in managed_attrs and that
  66         contains a key with the name of the target distribution,
  67         e.g. "focal", return that. Otherwise return the entire item
  68         under the requested name.
  69         """
  70         try:
  71             attr = self.managed_attrs[name]
  72             if isinstance(attr, dict) and self.securedrop_target_distribution in attr:
  73                 return attr[self.securedrop_target_distribution]
  74             return attr
  75         except KeyError:
  76             raise AttributeError(name)
  77 
  78     def __str__(self) -> str:
  79         return str(self.managed_attrs)
  80 
  81 
  82 testutils.securedrop_test_vars = TestVars(securedrop_import_testinfra_vars(target_host))
  83
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/molecule/testinfra/conftest.py b/molecule/testinfra/conftest.py
  --- a/molecule/testinfra/conftest.py
  +++ b/molecule/testinfra/conftest.py
  @@ -43,9 +43,11 @@
       if testing_focal:
           hostvars['securedrop_venv_site_packages'] = hostvars["securedrop_venv_site_packages"].format("3.8")  # noqa: E501
           hostvars['python_version'] = "3.8"
  +        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['focal']
       else:
           hostvars['securedrop_venv_site_packages'] = hostvars["securedrop_venv_site_packages"].format("3.5")  # noqa: E501
           hostvars['python_version'] = "3.5"
  +        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['xenial']
   
       if with_header:
           hostvars = dict(securedrop_test_vars=hostvars)
  
verification_info: {"golden_diff": "diff --git a/molecule/testinfra/conftest.py b/molecule/testinfra/conftest.py\n--- a/molecule/testinfra/conftest.py\n+++ b/molecule/testinfra/conftest.py\n@@ -43,9 +43,11 @@\n     if testing_focal:\n         hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.8\")  # noqa: E501\n         hostvars['python_version'] = \"3.8\"\n+        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['focal']\n     else:\n         hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.5\")  # noqa: E501\n         hostvars['python_version'] = \"3.5\"\n+        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['xenial']\n \n     if with_header:\n         hostvars = dict(securedrop_test_vars=hostvars)\n", "issue": "Several testinfra tests failing against 1.8.0-rc1 Focal production instances:\n## Description\r\n`./securedrop-admin verify` against a 1.8.0-rc1 instance results in 11 test failures (of which 2 are expected)\r\n\r\n```\r\n============================================================================================= short test summary info =============================================================================================\r\nFAILED app/test_apparmor.py::test_apparmor_enforced[paramiko:/app-xenial] - AssertionError: assert 'xenial' in '   /usr/bin/man\\n   /usr/lib/NetworkManager/nm-dhcp-client.action\\n   /usr/lib/NetworkManager/nm...\r\nFAILED app/test_apparmor.py::test_apparmor_enforced[paramiko:/app-focal] - AssertionError: assert 'focal' in '   /usr/bin/man\\n   /usr/lib/NetworkManager/nm-dhcp-client.action\\n   /usr/lib/NetworkManager/nm-d...\r\nFAILED app-code/test_securedrop_rqrequeue.py::test_securedrop_rqrequeue_service[paramiko:/app] - assert '[Unit]\\nDesc...user.target\\n' == '[Unit]\\nDesc...user.target\\n'\r\nFAILED app-code/test_securedrop_rqworker.py::test_securedrop_rqworker_service[paramiko:/app] - assert '[Unit]\\nDesc...user.target\\n' == '[Unit]\\nDesc...user.target\\n'\r\nFAILED app-code/test_securedrop_shredder_configuration.py::test_securedrop_shredder_service[paramiko:/app] - assert '[Unit]\\nDesc...user.target\\n' == '[Unit]\\nDesc...user.target\\n'\r\nFAILED app-code/test_securedrop_source_deleter_configuration.py::test_securedrop_source_deleter_service[paramiko:/app] - assert '[Unit]\\nDesc...user.target\\n' == '[Unit]\\nDesc...user.target\\n'\r\nFAILED app-code/test_securedrop_app_code.py::test_securedrop_application_apt_dependencies[paramiko:/app-libpython3.5] - AssertionError: assert False\r\n(expected failure) FAILED common/test_fpf_apt_repo.py::test_fpf_apt_repo_present[paramiko:/app] - AssertionError: Unexpected exit code 2 for CommandResult(command=b\"grep -qs -- '^deb \\\\[arch=amd64\\\\] https://apt\\\\.freedom\\\\.pre...\r\n(expected failure) FAILED common/test_fpf_apt_repo.py::test_fpf_apt_repo_present[paramiko:/mon] - AssertionError: Unexpected exit code 2 for CommandResult(command=b\"grep -qs -- '^deb \\\\[arch=amd64\\\\] https://apt\\\\.freedom\\\\.pre...\r\nFAILED common/test_grsecurity.py::test_paxctld_focal[paramiko:/mon] - RuntimeError: Ansible module is only available with ansible connection backend\r\nFAILED common/test_grsecurity.py::test_paxctld_focal[paramiko:/app] - RuntimeError: Ansible module is only available with ansible connection backend\r\n============================================================= 11 failed, 441 passed, 7 skipped, 3 xfailed, 1 xpassed, 8 warnings in 842.46s (0:14:02) =============================================================\r\n```\r\n\n", "before_files": [{"content": "\"\"\"\nConfiguration for TestInfra test suite for SecureDrop.\nHandles importing host-specific test vars, so test functions\ncan be reused across multiple hosts, with varied targets.\n\nVars should be placed in `testinfra/vars/<hostname>.yml`.\n\"\"\"\n\nimport io\nimport os\nimport yaml\nfrom typing import Any, Dict\n\nimport testutils\n\n\n# The config tests target staging by default. It's possible to override\n# for e.g. prod, but the associated vars files are not yet ported.\ntarget_host = os.environ.get('SECUREDROP_TESTINFRA_TARGET_HOST', 'staging')\n\n\ndef securedrop_import_testinfra_vars(hostname, with_header=False):\n    \"\"\"\n    Import vars from a YAML file to populate tests with host-specific\n    values used in checks. For instance, the SecureDrop docroot will\n    be under /vagrant in development, but /var/www/securedrop in staging.\n\n    Vars must be stored in `testinfra/vars/<hostname>.yml`.\n    \"\"\"\n    filepath = os.path.join(os.path.dirname(__file__), \"vars\", hostname+\".yml\")\n    with io.open(filepath, 'r') as f:\n        hostvars = yaml.safe_load(f)\n\n    # Testing against both Focal and Xenial must be supported for now in both\n    # staging scenarios, and in prod via `USE_FOCAL=1 ./securedrop-admin verify`\n    testing_focal = False\n    scenario_env = \"MOLECULE_SCENARIO_NAME\"\n    if scenario_env in os.environ and os.environ.get(scenario_env).endswith(\"focal\"):\n        testing_focal = True\n    if \"USE_FOCAL\" in os.environ:\n        testing_focal = True\n\n    if testing_focal:\n        hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.8\")  # noqa: E501\n        hostvars['python_version'] = \"3.8\"\n    else:\n        hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.5\")  # noqa: E501\n        hostvars['python_version'] = \"3.5\"\n\n    if with_header:\n        hostvars = dict(securedrop_test_vars=hostvars)\n\n    return hostvars\n\n\nclass TestVars(dict):\n    managed_attrs = {}  # type: Dict[str, Any]\n\n    def __init__(self, initial: Dict[str, Any]) -> None:\n        self.securedrop_target_distribution = os.environ.get(\"SECUREDROP_TARGET_DISTRIBUTION\")\n        self.managed_attrs.update(initial)\n\n    def __getattr__(self, name: str) -> Any:\n        \"\"\"\n        If the requested attribute names a dict in managed_attrs and that\n        contains a key with the name of the target distribution,\n        e.g. \"focal\", return that. Otherwise return the entire item\n        under the requested name.\n        \"\"\"\n        try:\n            attr = self.managed_attrs[name]\n            if isinstance(attr, dict) and self.securedrop_target_distribution in attr:\n                return attr[self.securedrop_target_distribution]\n            return attr\n        except KeyError:\n            raise AttributeError(name)\n\n    def __str__(self) -> str:\n        return str(self.managed_attrs)\n\n\ntestutils.securedrop_test_vars = TestVars(securedrop_import_testinfra_vars(target_host))\n", "path": "molecule/testinfra/conftest.py"}], "after_files": [{"content": "\"\"\"\nConfiguration for TestInfra test suite for SecureDrop.\nHandles importing host-specific test vars, so test functions\ncan be reused across multiple hosts, with varied targets.\n\nVars should be placed in `testinfra/vars/<hostname>.yml`.\n\"\"\"\n\nimport io\nimport os\nimport yaml\nfrom typing import Any, Dict\n\nimport testutils\n\n\n# The config tests target staging by default. It's possible to override\n# for e.g. prod, but the associated vars files are not yet ported.\ntarget_host = os.environ.get('SECUREDROP_TESTINFRA_TARGET_HOST', 'staging')\n\n\ndef securedrop_import_testinfra_vars(hostname, with_header=False):\n    \"\"\"\n    Import vars from a YAML file to populate tests with host-specific\n    values used in checks. For instance, the SecureDrop docroot will\n    be under /vagrant in development, but /var/www/securedrop in staging.\n\n    Vars must be stored in `testinfra/vars/<hostname>.yml`.\n    \"\"\"\n    filepath = os.path.join(os.path.dirname(__file__), \"vars\", hostname+\".yml\")\n    with io.open(filepath, 'r') as f:\n        hostvars = yaml.safe_load(f)\n\n    # Testing against both Focal and Xenial must be supported for now in both\n    # staging scenarios, and in prod via `USE_FOCAL=1 ./securedrop-admin verify`\n    testing_focal = False\n    scenario_env = \"MOLECULE_SCENARIO_NAME\"\n    if scenario_env in os.environ and os.environ.get(scenario_env).endswith(\"focal\"):\n        testing_focal = True\n    if \"USE_FOCAL\" in os.environ:\n        testing_focal = True\n\n    if testing_focal:\n        hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.8\")  # noqa: E501\n        hostvars['python_version'] = \"3.8\"\n        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['focal']\n    else:\n        hostvars['securedrop_venv_site_packages'] = hostvars[\"securedrop_venv_site_packages\"].format(\"3.5\")  # noqa: E501\n        hostvars['python_version'] = \"3.5\"\n        hostvars['apparmor_enforce_actual'] = hostvars['apparmor_enforce']['xenial']\n\n    if with_header:\n        hostvars = dict(securedrop_test_vars=hostvars)\n\n    return hostvars\n\n\nclass TestVars(dict):\n    managed_attrs = {}  # type: Dict[str, Any]\n\n    def __init__(self, initial: Dict[str, Any]) -> None:\n        self.securedrop_target_distribution = os.environ.get(\"SECUREDROP_TARGET_DISTRIBUTION\")\n        self.managed_attrs.update(initial)\n\n    def __getattr__(self, name: str) -> Any:\n        \"\"\"\n        If the requested attribute names a dict in managed_attrs and that\n        contains a key with the name of the target distribution,\n        e.g. \"focal\", return that. Otherwise return the entire item\n        under the requested name.\n        \"\"\"\n        try:\n            attr = self.managed_attrs[name]\n            if isinstance(attr, dict) and self.securedrop_target_distribution in attr:\n                return attr[self.securedrop_target_distribution]\n            return attr\n        except KeyError:\n            raise AttributeError(name)\n\n    def __str__(self) -> str:\n        return str(self.managed_attrs)\n\n\ntestutils.securedrop_test_vars = TestVars(securedrop_import_testinfra_vars(target_host))\n", "path": "molecule/testinfra/conftest.py"}]}