[Snyk] Security upgrade nltk from 3.2.5 to 3.6.6
Snyk has created this PR to fix one or more vulnerable packages in the `pip` dependencies of this project.
As this is a private repository, Snyk-bot does not have access. Therefore, this PR has been created automatically, but appears to have been created by a real user.
Changes included in this Merge Request
- Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
- requirements.txt
⚠ ️ Warning
Pyro4 4.63 requires serpent, which is not installed.
Vulnerabilities that will be fixed
By pinning:
| Severity | Priority Score (*) | Issue | Upgrade | Breaking Change | Exploit Maturity |
|---|---|---|---|---|---|
 |
768/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 7.5 |
Regular Expression Denial of Service (ReDoS) SNYK-PYTHON-NLTK-1932014 |
nltk: 3.2.5 -> 3.6.6 |
No | Proof of Concept |
(*) Note that the real score may have changed since the PR was raised.
Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the effected dependencies could be upgraded.
Check the changes in this Merge Request to ensure they won't cause issues with your project.
Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.
For more information: 
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