Coding⏱️ 2 min read📅 2026-05-31
How to Fix: py.test: error: unrecognized arguments: --cov=ner_brands --cov-report=term-missing --cov-config
Pytest error with coverage configuration
Quick Answer: Check pytest documentation for correct coverage configuration options and try running with --cov option followed by the package name, e.g. --cov=ner_brands
📋 Table of Contents
To resolve the issue of unrecognized arguments when running py.test with coverage reports, you need to understand how coverage reports work and configure them correctly.
🔍 Why This Happens
- The error occurs because the coverage report options are not recognized by py.test. The --cov option specifies the package for which to generate a coverage report, while the --cov-report option specifies the format of the report.
- Additionally, the --cov-config option is used to specify the configuration file for the coverage tool.
🔧 Proven Troubleshooting Steps
Method 1: Correcting the Command Line Arguments
- Step 1: Remove any unnecessary arguments from your command line. In this case, the --cov-report option is not needed when using the default report format.
Method 2: Configuring the Coverage Report
- Step 1: Create a configuration file for your coverage tool. This file should contain information about your project, such as the packages to be tested and the report format.
💡 Conclusion
By following these steps, you should be able to resolve the issue of unrecognized arguments when running py.test with coverage reports.
❓ Frequently Asked Questions
The error occurs because the coverage report options are not recognized by py.test. The --cov option specifies the package for which to generate a coverage report, while the --cov-report option specifies the format of the report.Additionally, the --cov-config option is used to specify the configurat
Step 1: Remove any unnecessary arguments from your command line. In this case, the --cov-report option is not needed when using the default report format.
Step 1: Create a configuration file for your coverage tool. This file should contain information about your project, such as the packages to be tested and the report format.
By following these steps, you should be able to resolve the issue of unrecognized arguments when running py.test with coverage reports.
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