Update pipelines.py

src\melt\tools\pipelines\pipelines.py:32:13: W1514: Using open without explicitly specifying an encoding (unspecified-encoding)        
src\melt\tools\pipelines\pipelines.py:38:12: C0103: Variable name "GenerationConfig" doesn't conform to snake_case naming style (invalid-name)
src\melt\tools\pipelines\pipelines.py:40:13: W1514: Using open without explicitly specifying an encoding (unspecified-encoding)        
src\melt\tools\pipelines\pipelines.py:43:12: C0103: Variable name "LLM_TEMPLATE" doesn't conform to snake_case naming style (invalid-name)
src\melt\tools\pipelines\pipelines.py:45:13: W1514: Using open without explicitly specifying an encoding (unspecified-encoding)        
src\melt\tools\pipelines\pipelines.py:51:12: C0103: Variable name "METRIC_CONFIG" doesn't conform to snake_case naming style (invalid-name)
src\melt\tools\pipelines\pipelines.py:93:31: E1120: No value for argument 'config' in constructor call (no-value-for-parameter)
src\melt\tools\pipelines\pipelines.py:98:8: R1705: Unnecessary "elif" after "return", remove the leading "el" from "elif" (no-else-return)
src\melt\tools\pipelines\pipelines.py:95:4: R0911: Too many return statements (12/6) (too-many-return-statements)
src\melt\tools\pipelines\pipelines.py:95:4: R0912: Too many branches (13/12) (too-many-branches)
src\melt\tools\pipelines\pipelines.py:146:4: C0116: Missing function or method docstring (missing-function-docstring)
src\melt\tools\pipelines\pipelines.py:146:4: R0913: Too many arguments (8/5) (too-many-arguments)
src\melt\tools\pipelines\pipelines.py:156:8: W0201: Attribute 'generation_results_file' defined outside __init__ (attribute-defined-outside-init)