We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
`fsspec` should be explicitly stated in setup.py and env files
`fsspec` package became required dependency after https://github.com/modin-project/modin/pull/3529

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `setup.py`
Content:
```
1 from setuptools import setup, find_packages
2 import versioneer
3 import os
4 from setuptools.dist import Distribution
5 
6 try:
7     from wheel.bdist_wheel import bdist_wheel
8 
9     HAS_WHEEL = True
10 except ImportError:
11     HAS_WHEEL = False
12 
13 with open("README.md", "r", encoding="utf-8") as fh:
14     long_description = fh.read()
15 
16 if HAS_WHEEL:
17 
18     class ModinWheel(bdist_wheel):
19         def finalize_options(self):
20             bdist_wheel.finalize_options(self)
21             self.root_is_pure = False
22 
23         def get_tag(self):
24             _, _, plat = bdist_wheel.get_tag(self)
25             py = "py3"
26             abi = "none"
27             return py, abi, plat
28 
29 
30 class ModinDistribution(Distribution):
31     def __init__(self, *attrs):
32         Distribution.__init__(self, *attrs)
33         if HAS_WHEEL:
34             self.cmdclass["bdist_wheel"] = ModinWheel
35 
36     def is_pure(self):
37         return False
38 
39 
40 dask_deps = ["dask>=2.22.0", "distributed>=2.22.0"]
41 ray_deps = ["ray[default]>=1.4.0", "pyarrow>=1.0"]
42 remote_deps = ["rpyc==4.1.5", "cloudpickle", "boto3"]
43 spreadsheet_deps = ["modin-spreadsheet>=0.1.0"]
44 sql_deps = ["dfsql>=0.4.2"]
45 all_deps = dask_deps + ray_deps + remote_deps + spreadsheet_deps
46 
47 # dfsql does not support Windows yet
48 if os.name != 'nt':
49     all_deps += sql_deps
50 
51 setup(
52     name="modin",
53     version=versioneer.get_version(),
54     cmdclass=versioneer.get_cmdclass(),
55     distclass=ModinDistribution,
56     description="Modin: Make your pandas code run faster by changing one line of code.",
57     packages=find_packages(),
58     include_package_data=True,
59     license="Apache 2",
60     url="https://github.com/modin-project/modin",
61     long_description=long_description,
62     long_description_content_type="text/markdown",
63     install_requires=["pandas==1.3.3", "packaging", "numpy>=1.16.5"],
64     extras_require={
65         # can be installed by pip install modin[dask]
66         "dask": dask_deps,
67         "ray": ray_deps,
68         "remote": remote_deps,
69         "spreadsheet": spreadsheet_deps,
70         "sql": sql_deps,
71         "all": all_deps,
72     },
73     python_requires=">=3.7.1",
74 )
75
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,7 @@
     url="https://github.com/modin-project/modin",
     long_description=long_description,
     long_description_content_type="text/markdown",
-    install_requires=["pandas==1.3.3", "packaging", "numpy>=1.16.5"],
+    install_requires=["pandas==1.3.3", "packaging", "numpy>=1.16.5", "fsspec"],
     extras_require={
         # can be installed by pip install modin[dask]
         "dask": dask_deps,

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -60,7 +60,7 @@\n     url=\"https://github.com/modin-project/modin\",\n     long_description=long_description,\n     long_description_content_type=\"text/markdown\",\n-    install_requires=[\"pandas==1.3.3\", \"packaging\", \"numpy>=1.16.5\"],\n+    install_requires=[\"pandas==1.3.3\", \"packaging\", \"numpy>=1.16.5\", \"fsspec\"],\n     extras_require={\n         # can be installed by pip install modin[dask]\n         \"dask\": dask_deps,\n", "issue": "`fsspec` should be explicitly stated in setup.py and env files\n`fsspec` package became required dependency after https://github.com/modin-project/modin/pull/3529\n", "before_files": [{"content": "from setuptools import setup, find_packages\nimport versioneer\nimport os\nfrom setuptools.dist import Distribution\n\ntry:\n    from wheel.bdist_wheel import bdist_wheel\n\n    HAS_WHEEL = True\nexcept ImportError:\n    HAS_WHEEL = False\n\nwith open(\"README.md\", \"r\", encoding=\"utf-8\") as fh:\n    long_description = fh.read()\n\nif HAS_WHEEL:\n\n    class ModinWheel(bdist_wheel):\n        def finalize_options(self):\n            bdist_wheel.finalize_options(self)\n            self.root_is_pure = False\n\n        def get_tag(self):\n            _, _, plat = bdist_wheel.get_tag(self)\n            py = \"py3\"\n            abi = \"none\"\n            return py, abi, plat\n\n\nclass ModinDistribution(Distribution):\n    def __init__(self, *attrs):\n        Distribution.__init__(self, *attrs)\n        if HAS_WHEEL:\n            self.cmdclass[\"bdist_wheel\"] = ModinWheel\n\n    def is_pure(self):\n        return False\n\n\ndask_deps = [\"dask>=2.22.0\", \"distributed>=2.22.0\"]\nray_deps = [\"ray[default]>=1.4.0\", \"pyarrow>=1.0\"]\nremote_deps = [\"rpyc==4.1.5\", \"cloudpickle\", \"boto3\"]\nspreadsheet_deps = [\"modin-spreadsheet>=0.1.0\"]\nsql_deps = [\"dfsql>=0.4.2\"]\nall_deps = dask_deps + ray_deps + remote_deps + spreadsheet_deps\n\n# dfsql does not support Windows yet\nif os.name != 'nt':\n    all_deps += sql_deps\n\nsetup(\n    name=\"modin\",\n    version=versioneer.get_version(),\n    cmdclass=versioneer.get_cmdclass(),\n    distclass=ModinDistribution,\n    description=\"Modin: Make your pandas code run faster by changing one line of code.\",\n    packages=find_packages(),\n    include_package_data=True,\n    license=\"Apache 2\",\n    url=\"https://github.com/modin-project/modin\",\n    long_description=long_description,\n    long_description_content_type=\"text/markdown\",\n    install_requires=[\"pandas==1.3.3\", \"packaging\", \"numpy>=1.16.5\"],\n    extras_require={\n        # can be installed by pip install modin[dask]\n        \"dask\": dask_deps,\n        \"ray\": ray_deps,\n        \"remote\": remote_deps,\n        \"spreadsheet\": spreadsheet_deps,\n        \"sql\": sql_deps,\n        \"all\": all_deps,\n    },\n    python_requires=\">=3.7.1\",\n)\n", "path": "setup.py"}], "after_files": [{"content": "from setuptools import setup, find_packages\nimport versioneer\nimport os\nfrom setuptools.dist import Distribution\n\ntry:\n    from wheel.bdist_wheel import bdist_wheel\n\n    HAS_WHEEL = True\nexcept ImportError:\n    HAS_WHEEL = False\n\nwith open(\"README.md\", \"r\", encoding=\"utf-8\") as fh:\n    long_description = fh.read()\n\nif HAS_WHEEL:\n\n    class ModinWheel(bdist_wheel):\n        def finalize_options(self):\n            bdist_wheel.finalize_options(self)\n            self.root_is_pure = False\n\n        def get_tag(self):\n            _, _, plat = bdist_wheel.get_tag(self)\n            py = \"py3\"\n            abi = \"none\"\n            return py, abi, plat\n\n\nclass ModinDistribution(Distribution):\n    def __init__(self, *attrs):\n        Distribution.__init__(self, *attrs)\n        if HAS_WHEEL:\n            self.cmdclass[\"bdist_wheel\"] = ModinWheel\n\n    def is_pure(self):\n        return False\n\n\ndask_deps = [\"dask>=2.22.0\", \"distributed>=2.22.0\"]\nray_deps = [\"ray[default]>=1.4.0\", \"pyarrow>=1.0\"]\nremote_deps = [\"rpyc==4.1.5\", \"cloudpickle\", \"boto3\"]\nspreadsheet_deps = [\"modin-spreadsheet>=0.1.0\"]\nsql_deps = [\"dfsql>=0.4.2\"]\nall_deps = dask_deps + ray_deps + remote_deps + spreadsheet_deps\n\n# dfsql does not support Windows yet\nif os.name != 'nt':\n    all_deps += sql_deps\n\nsetup(\n    name=\"modin\",\n    version=versioneer.get_version(),\n    cmdclass=versioneer.get_cmdclass(),\n    distclass=ModinDistribution,\n    description=\"Modin: Make your pandas code run faster by changing one line of code.\",\n    packages=find_packages(),\n    include_package_data=True,\n    license=\"Apache 2\",\n    url=\"https://github.com/modin-project/modin\",\n    long_description=long_description,\n    long_description_content_type=\"text/markdown\",\n    install_requires=[\"pandas==1.3.3\", \"packaging\", \"numpy>=1.16.5\", \"fsspec\"],\n    extras_require={\n        # can be installed by pip install modin[dask]\n        \"dask\": dask_deps,\n        \"ray\": ray_deps,\n        \"remote\": remote_deps,\n        \"spreadsheet\": spreadsheet_deps,\n        \"sql\": sql_deps,\n        \"all\": all_deps,\n    },\n    python_requires=\">=3.7.1\",\n)\n", "path": "setup.py"}]}