fix: syntax error in job_sequencing.py - missing colon, and invalid import path with spaces

[saurabhhhcodes]

Real bugs: 1) job_sequencing.py:36 missing colon after 'main' guard 2) test_matrix_chain_multiplication.py:2 import path contains spaces

Summary by CodeRabbit

• Bug Fixes
  • Corrected a syntax issue so the job sequencing example runs properly when executed directly.
  • Updated matrix chain multiplication tests to use the correct module path.
  • Preserved all existing test cases and expected results.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The changes update a matrix multiplication test import path and correct the executable entry-point syntax in the job sequencing module.

Changes

Matrix Chain Multiplication Test

Layer / File(s)	Summary
Update test import path Tests/Dynamic-Programming/test_matrix_chain_multiplication.py	Imports matrix_multiplication from pysnippets.dynamic_programming.matrix_chain_multiplication while retaining the existing test cases.

Job Sequencing Script

Layer / File(s)	Summary
Fix executable entry-point guard pysnippets/greedyalgorithms/job_sequencing.py	Adds the missing colon to the __main__ guard so the example block can execute when run directly.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the two main fixes: a missing colon in job_sequencing.py and the invalid import path in the test file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@Tests/Dynamic-Programming/test_matrix_chain_multiplication.py`:
- Line 2: Update the import in the test module to reference the existing
location of matrix_multiplication, using the repository’s actual package/module
path; do not retain the nonexistent pysnippets.dynamic_programming path.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e719b94b-c5d4-4564-abda-8e8912976a1d

📥 Commits

Reviewing files that changed from the base of the PR and between 9f6eda4 and 0cfe121.

⛔ Files ignored due to path filters (1)

• .DS_Store is excluded by !**/.DS_Store

📒 Files selected for processing (2)

• Tests/Dynamic-Programming/test_matrix_chain_multiplication.py
• pysnippets/greedyalgorithms/job_sequencing.py

[coderabbitai]

🎯 Functional Correctness | 🟠 Major | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -e

fd -t f 'matrix_chain_multiplication\.py$' .
rg -n '^(from|import) pysnippets(\.Dynamic Programming|\.dynamic_programming)' Tests pysnippets

Repository: UTSAVS26/PySnippets

Length of output: 442

---

🏁 Script executed:

#!/bin/bash
set -e

python3 - <<'PY'
from pathlib import Path

root = Path('.')
for p in sorted(root.glob('pysnippets/**')):
    if p.is_file() or p.is_dir():
        print(p.as_posix())
PY

printf '\n--- __init__.py ---\n'
if [ -f pysnippets/__init__.py ]; then
  cat -n pysnippets/__init__.py
else
  echo 'missing pysnippets/__init__.py'
fi

Repository: UTSAVS26/PySnippets

Length of output: 1898

---

Fix the import path in Tests/Dynamic-Programming/test_matrix_chain_multiplication.py:2
There’s no pysnippets/dynamic_programming/ package in this tree, so this import will fail during test collection. Point it at the existing module path or add a package alias.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@Tests/Dynamic-Programming/test_matrix_chain_multiplication.py` at line 2,
Update the import in the test module to reference the existing location of
matrix_multiplication, using the repository’s actual package/module path; do not
retain the nonexistent pysnippets.dynamic_programming path.

[saurabhhhcodes]

🔔 Friendly ping @UTSAVS26 — this real fix has passing CI and references an approved GSSoC issue. Ready for review/merge. Thanks!

[saurabhhhcodes]

🔔 Friendly ping @UTSAVS26 — this real fix has passing CI and references an approved GSSoC issue. Ready for review/merge. Thanks!