prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Use EthereumTesterProvider backed by eth-tester in default import
  `from web3 import EthereumTesterProvider` should use the eth-tester one, not the testrpc one.
  
  </issue>
  <code>
  [start of web3/__init__.py]
  1 import pkg_resources
  2 import sys
  3 
  4 if sys.version_info < (3, 5):
  5     raise EnvironmentError("Python 3.5 or above is required")
  6 
  7 from eth_account import Account  # noqa: E402
  8 from web3.main import Web3  # noqa: E402
  9 from web3.providers.rpc import (  # noqa: E402
  10     HTTPProvider,
  11 )
  12 from web3.providers.tester import (  # noqa: E402
  13     TestRPCProvider,
  14     EthereumTesterProvider,
  15 )
  16 from web3.providers.ipc import (  # noqa: E402
  17     IPCProvider,
  18 )
  19 
  20 __version__ = pkg_resources.get_distribution("web3").version
  21 
  22 __all__ = [
  23     "__version__",
  24     "Web3",
  25     "HTTPProvider",
  26     "IPCProvider",
  27     "TestRPCProvider",
  28     "EthereumTesterProvider",
  29     "Account",
  30 ]
  31
  [end of web3/__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/web3/__init__.py b/web3/__init__.py
  --- a/web3/__init__.py
  +++ b/web3/__init__.py
  @@ -9,9 +9,11 @@
   from web3.providers.rpc import (  # noqa: E402
       HTTPProvider,
   )
  +from web3.providers.eth_tester import (  # noqa: E402
  +    EthereumTesterProvider,
  +)
   from web3.providers.tester import (  # noqa: E402
       TestRPCProvider,
  -    EthereumTesterProvider,
   )
   from web3.providers.ipc import (  # noqa: E402
       IPCProvider,
  
verification_info: {"golden_diff": "diff --git a/web3/__init__.py b/web3/__init__.py\n--- a/web3/__init__.py\n+++ b/web3/__init__.py\n@@ -9,9 +9,11 @@\n from web3.providers.rpc import (  # noqa: E402\n     HTTPProvider,\n )\n+from web3.providers.eth_tester import (  # noqa: E402\n+    EthereumTesterProvider,\n+)\n from web3.providers.tester import (  # noqa: E402\n     TestRPCProvider,\n-    EthereumTesterProvider,\n )\n from web3.providers.ipc import (  # noqa: E402\n     IPCProvider,\n", "issue": "Use EthereumTesterProvider backed by eth-tester in default import\n`from web3 import EthereumTesterProvider` should use the eth-tester one, not the testrpc one.\n", "before_files": [{"content": "import pkg_resources\nimport sys\n\nif sys.version_info < (3, 5):\n    raise EnvironmentError(\"Python 3.5 or above is required\")\n\nfrom eth_account import Account  # noqa: E402\nfrom web3.main import Web3  # noqa: E402\nfrom web3.providers.rpc import (  # noqa: E402\n    HTTPProvider,\n)\nfrom web3.providers.tester import (  # noqa: E402\n    TestRPCProvider,\n    EthereumTesterProvider,\n)\nfrom web3.providers.ipc import (  # noqa: E402\n    IPCProvider,\n)\n\n__version__ = pkg_resources.get_distribution(\"web3\").version\n\n__all__ = [\n    \"__version__\",\n    \"Web3\",\n    \"HTTPProvider\",\n    \"IPCProvider\",\n    \"TestRPCProvider\",\n    \"EthereumTesterProvider\",\n    \"Account\",\n]\n", "path": "web3/__init__.py"}]}