prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  [BUG]: ModuleNotFoundError: No module named 'colossalai.nn.optimizer.zero_optimizer'
  ### 🐛 Describe the bug
  
  I install colossalAI with the command `pip install colossalai==0.1.11rc3+torch1.12cu11.3 -f https://release.colossalai.org`
  But I get an error when follow https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial#-run-opt-finetuning-and-inference, I just run `bash ./run_clm_synthetic.sh` and get an error as follows:
  
  ```shell
  ╭─────────────────────────────── Traceback (most recent call last) ────────────────────────────────╮
  │ /home/he.yan/ColossalAI/examples/tutorial/opt/opt/run_clm.py:46 in <module>                      │
  │                                                                                                  │
  │    43 from colossalai.core import global_context as gpc                                          │
  │    44 from colossalai.logging import disable_existing_loggers, get_dist_logger                   │
  │    45 from colossalai.nn.optimizer import HybridAdam                                             │
  │ ❱  46 from colossalai.nn.optimizer.zero_optimizer import ZeroOptimizer                           │
  │    47 from colossalai.nn.parallel import ZeroDDP                                                 │
  │    48 from colossalai.tensor import ProcessGroup                                                 │
  │    49 from colossalai.utils import get_current_device, get_dataloader                            │
  ╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
  ModuleNotFoundError: No module named 'colossalai.nn.optimizer.zero_optimizer'
  ```
  
  ### Environment
  
  Python 3.8.15
  torch1.12cu11.3
  
  </issue>
  <code>
  [start of colossalai/__init__.py]
  1 from .initialize import (
  2     get_default_parser,
  3     initialize,
  4     launch,
  5     launch_from_openmpi,
  6     launch_from_slurm,
  7     launch_from_torch,
  8 )
  9 
  10 __version__ = '0.1.11rc2'
  11
  [end of colossalai/__init__.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/colossalai/__init__.py b/colossalai/__init__.py
  --- a/colossalai/__init__.py
  +++ b/colossalai/__init__.py
  @@ -7,4 +7,4 @@
       launch_from_torch,
   )
   
  -__version__ = '0.1.11rc2'
  +__version__ = '0.1.11rc4'
  
verification_info: {"golden_diff": "diff --git a/colossalai/__init__.py b/colossalai/__init__.py\n--- a/colossalai/__init__.py\n+++ b/colossalai/__init__.py\n@@ -7,4 +7,4 @@\n     launch_from_torch,\n )\n \n-__version__ = '0.1.11rc2'\n+__version__ = '0.1.11rc4'\n", "issue": "[BUG]: ModuleNotFoundError: No module named 'colossalai.nn.optimizer.zero_optimizer'\n### \ud83d\udc1b Describe the bug\r\n\r\nI install colossalAI with the command `pip install colossalai==0.1.11rc3+torch1.12cu11.3 -f https://release.colossalai.org`\r\nBut I get an error when follow https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial#-run-opt-finetuning-and-inference, I just run `bash ./run_clm_synthetic.sh` and get an error as follows:\r\n\r\n```shell\r\n\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 Traceback (most recent call last) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\r\n\u2502 /home/he.yan/ColossalAI/examples/tutorial/opt/opt/run_clm.py:46 in <module>                      \u2502\r\n\u2502                                                                                                  \u2502\r\n\u2502    43 from colossalai.core import global_context as gpc                                          \u2502\r\n\u2502    44 from colossalai.logging import disable_existing_loggers, get_dist_logger                   \u2502\r\n\u2502    45 from colossalai.nn.optimizer import HybridAdam                                             \u2502\r\n\u2502 \u2771  46 from colossalai.nn.optimizer.zero_optimizer import ZeroOptimizer                           \u2502\r\n\u2502    47 from colossalai.nn.parallel import ZeroDDP                                                 \u2502\r\n\u2502    48 from colossalai.tensor import ProcessGroup                                                 \u2502\r\n\u2502    49 from colossalai.utils import get_current_device, get_dataloader                            \u2502\r\n\u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f\r\nModuleNotFoundError: No module named 'colossalai.nn.optimizer.zero_optimizer'\r\n```\r\n\r\n### Environment\r\n\r\nPython 3.8.15\r\ntorch1.12cu11.3\n", "before_files": [{"content": "from .initialize import (\n    get_default_parser,\n    initialize,\n    launch,\n    launch_from_openmpi,\n    launch_from_slurm,\n    launch_from_torch,\n)\n\n__version__ = '0.1.11rc2'\n", "path": "colossalai/__init__.py"}]}