Fix login bug

[abhinav-sengar]

Description

This pull request fixes/improves [briefly describe the issue].

Changes Made

• Fixed [change 1]
• Updated [change 2]
• Tested the changes locally

Testing

• Verified that the changes work as expected.
• No existing functionality was affected.

Related Issue

Fixes #[issue-number]

---

^{Need help on this PR? Tag @codesmith-bot with what you need. Autofix is disabled.}

[YoungUsing]

I noticed several issues that make this PR unsuitable for merging in its current form:

1. Title vs. actual changes – The title says “Fix login bug”, but the code modifications are entirely about model internals (attention layers, audio processing, weight initialization). There is no obvious relation to any login functionality.

2. Missing description – The PR description is still the default template with no explanation of the changes, motivation, or testing. This makes it hard for anyone (including maintainers) to understand the purpose.

3. Potentially risky logic change – For example, in CausalAttention.forward, the reshape dimension was changed from -1 to self.qkv_out_dim. This alters tensor shapes and could introduce bugs, but without any rationale, it’s impossible to assess whether it’s intentional or accidental.

4. Compiled files included – The PR adds .pyc cache files (under __pycache__/), which are typically excluded from version control. This indicates the contributor may not have reviewed their changes carefully.

I would suggest closing this PR and opening a new one that:

• Focuses on a single, clearly stated issue or feature.
• Provides a detailed description of what was changed and why.
• Excludes any compiled or auto-generated files.
• Only includes changes that actually relate to the stated goal.