2021-02-11T10:59:23,777 Created temporary directory: /tmp/pip-ephem-wheel-cache-2tz_09em
2021-02-11T10:59:23,780 Created temporary directory: /tmp/pip-req-tracker-ajqi10jv
2021-02-11T10:59:23,780 Initialized build tracking at /tmp/pip-req-tracker-ajqi10jv
2021-02-11T10:59:23,780 Created build tracker: /tmp/pip-req-tracker-ajqi10jv
2021-02-11T10:59:23,780 Entered build tracker: /tmp/pip-req-tracker-ajqi10jv
2021-02-11T10:59:23,781 Created temporary directory: /tmp/pip-wheel-rkj245it
2021-02-11T10:59:23,811 1 location(s) to search for versions of transformation-tree:
2021-02-11T10:59:23,811 * https://pypi.org/simple/transformation-tree/
2021-02-11T10:59:23,812 Fetching project page and analyzing links: https://pypi.org/simple/transformation-tree/
2021-02-11T10:59:23,813 Getting page https://pypi.org/simple/transformation-tree/
2021-02-11T10:59:23,814 Found index url https://pypi.org/simple
2021-02-11T10:59:23,911   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/fc/d6/e3eb6f9124c6686850136d621c287420947d95ea7189938bc2a0c22a687c/transformation-tree-1.0.0.zip#sha256=675b7a3e979cc533d05df002b6089c75dc3e5d836d689efea4c6c06f6d21bbd2 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,926   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/6e/cc/ea7690b8228a5673a9b62f7372a39a87e0c710298ef0e912da1421a2a52f/transformation_tree-1.0.0-py3-none-any.whl#sha256=9417f6319131d77d2ffd07b1e1e3ad187bc2c5d2ee2dfb10dd31c7c5fbdd9aab (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,927   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/79/f6/cc29b407188c44ccc173a5d192e5fac919703ba44d66b8021d41770fdf4e/transformation-tree-1.1.0.zip#sha256=45049093f01ff9a8d05477951aa9358578eaf464f08ed14e47c74bc919e5e014 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,928   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/cb/64/a1d8353436a2341a2bd42dc290d8a879b6a4ae4ffca29f8f4fa7be0f1cee/transformation_tree-1.1.0-py3-none-any.whl#sha256=448d835887e2e5c7a86a575f14393f9eb83a36e15378232cd67a626b457f54fd (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,929   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/41/da/8a1d0cfa3b97f2810cb965563323a3dd9dc398559742af4b16db938d5732/transformation-tree-1.2.0.zip#sha256=00c0611758603e478ac31fb7c195e8d558975e0349aab126f5133ad72a2fbd52 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,929   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/34/02/9623a082288541ee5db3608eda2747e1e9f674a47d45a7aeef6fb9ca0f46/transformation_tree-1.2.0-py3-none-any.whl#sha256=6ff958c3bca8b7e5344b3118d78ca13c8e9718887bf45b0ad0f425649d0aa721 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,930   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/40/d0/5d8721067a31c2b758ef60aee769772c44d3cfe02285db07c9a5bc2c976b/transformation-tree-1.2.1.zip#sha256=88f86d2db94c63580678c1c3eaad58422fe6128fab7a90ebc2d132a45fc73a10 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,931   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/b4/0d/2f646ae87fdd04c905ba73a778c645f62fdf28680fdfddaba0f1f1492d04/transformation_tree-1.2.1-py3-none-any.whl#sha256=24f9d685162d7b67c8b1e7eab41db0a1d44a0ee31856de93a5964b0775c4d9e4 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,931   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/92/c6/257b1a154dd700a1144b926c9756be3224e569f8eaac5b53e6070eb143e7/transformation-tree-1.2.2.zip#sha256=0c80cfc8c81861f9c354de9168cfcc274b8634fc09d34afc4f31daaa8faf3eb7 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,932   Link requires a different Python (3.7.3 not in: '>=3.7.9'): https://files.pythonhosted.org/packages/89/7e/0794766fc186be341f8074c73e0906de9a885c1e6bab95d52bccd51a9c7f/transformation_tree-1.2.2-py3-none-any.whl#sha256=36cc08f204695a7db697b5f8615aae73b328d3e76040a14e25eed9357f9f2625 (from https://pypi.org/simple/transformation-tree/) (requires-python:>=3.7.9)
2021-02-11T10:59:23,932 Given no hashes to check 0 links for project 'transformation-tree': discarding no candidates
2021-02-11T10:59:23,933 ERROR: Could not find a version that satisfies the requirement transformation-tree==1.2.1
2021-02-11T10:59:23,933 ERROR: No matching distribution found for transformation-tree==1.2.1
2021-02-11T10:59:23,933 Exception information:
2021-02-11T10:59:23,933 Traceback (most recent call last):
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 171, in _merge_into_criterion
2021-02-11T10:59:23,933     crit = self.state.criteria[name]
2021-02-11T10:59:23,933 KeyError: 'transformation-tree'
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 During handling of the above exception, another exception occurred:
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 Traceback (most recent call last):
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 318, in resolve
2021-02-11T10:59:23,933     name, crit = self._merge_into_criterion(r, parent=None)
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-02-11T10:59:23,933     crit = Criterion.from_requirement(self._p, requirement, parent)
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 83, in from_requirement
2021-02-11T10:59:23,933     raise RequirementsConflicted(criterion)
2021-02-11T10:59:23,933 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('transformation-tree==1.2.1')
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 During handling of the above exception, another exception occurred:
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 Traceback (most recent call last):
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 122, in resolve
2021-02-11T10:59:23,933     requirements, max_rounds=try_to_avoid_resolution_too_deep,
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 453, in resolve
2021-02-11T10:59:23,933     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 320, in resolve
2021-02-11T10:59:23,933     raise ResolutionImpossible(e.criterion.information)
2021-02-11T10:59:23,933 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('transformation-tree==1.2.1'), parent=None)]
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 The above exception was the direct cause of the following exception:
2021-02-11T10:59:23,933 
2021-02-11T10:59:23,933 Traceback (most recent call last):
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 189, in _main
2021-02-11T10:59:23,933     status = self.run(options, args)
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 178, in wrapper
2021-02-11T10:59:23,933     return func(self, options, args)
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 159, in run
2021-02-11T10:59:23,933     reqs, check_supported_wheels=True
2021-02-11T10:59:23,933   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-02-11T10:59:23,933     six.raise_from(error, e)
2021-02-11T10:59:23,933   File "<string>", line 3, in raise_from
2021-02-11T10:59:23,933 pip._internal.exceptions.DistributionNotFound: No matching distribution found for transformation-tree==1.2.1
2021-02-11T10:59:23,938 Removed build tracker: '/tmp/pip-req-tracker-ajqi10jv'