constructorError in yaml file

[Sakshiwala]

I am getting this error while ruuning the code

raise ConstructorError(None, None, yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple' in "./conf/log.yaml", line 32, column 18

Kindly please help me understand and solve the error

[lihaoliu-cambridge]

I am getting this error while ruuning the code

raise ConstructorError(None, None, yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple' in "./conf/log.yaml", line 32, column 18

Kindly please help me understand and solve the error

Hi, thanks for your question. But the provided information is not enough to locate the bug. Could you please provide more details?

[Sakshiwala]

Sorry for the delay and thanks for the response.

Sir I am facing below problem, while running python main.py command

Please help

[lihaoliu-cambridge]

Sorry for the delay and thanks for the response.

Sir I am facing below problem, while running python main.py command

Please help

Hi, the error happens in "yaml.safe_load()" function. I believe it is because your yaml version is too high. I suggest you degrade it to yaml 3.13.

[Sakshiwala]

Sorry for the delay and thanks for the response. Sir I am facing below problem, while running python main.py command Please help

Hi, the error happens in "yaml.safe_load()" function. I believe it is because your yaml version is too high. I suggest you degrade it to yaml 3.13.

Sir I degraded the yaml version to 3.13 but it did not solve the problem. What can I do next?

[lihaoliu-cambridge]

What

Hi, the bug is located, which is the YAML's deserialize function. So I believe it is an easy problem to solve.

I recommend you first check your config file. Make sure there isn't any 'garbled character', 'tab', or 'blank space' included.

Second, you can run a small tutorial test case (attached below) for YAML to see if the safe_load function is working so you can better locate the error.

------------ test code ------------ import yaml import io

data = { 'a list': [ 1, 42, 3.141, 1337, 'help', u'€' ], 'a string': 'bla', 'another dict': { 'foo': 'bar', 'key': 'value', 'the answer': 42 } }

with io.open('data.yaml', 'w', encoding='utf8') as outfile: yaml.dump(data, outfile, default_flow_style=False, allow_unicode=True)

with open("data.yaml", 'r') as stream: data_loaded = yaml.safe_load(stream)

print(data == data_loaded)

[Sakshiwala]

Thank you for giving your time sir. I will try this solution. Thank you again.

On Tue, Feb 9, 2021, 17:47 Liu Lihao notifications@github.com wrote:

What

Hi, the bug is located, which is the YAML's deserialize function. So I believe it is an easy problem to solve.

I recommend you first check your config file. Make sure there isn't any 'garbled character', 'tab', or 'blank space' included.

Second, you can run a small tutorial test case (attached below) for YAML to see if the safe_load function is working so you can better locate the error.

------------ test code ------------ -- coding: utf-8 --

import yaml import io Define data

data = { 'a list': [ 1, 42, 3.141, 1337, 'help', u'€' ], 'a string': 'bla', 'another dict': { 'foo': 'bar', 'key': 'value', 'the answer': 42 } } Write YAML file

with io.open('data.yaml', 'w', encoding='utf8') as outfile: yaml.dump(data, outfile, default_flow_style=False, allow_unicode=True) Read YAML file

with open("data.yaml", 'r') as stream: data_loaded = yaml.safe_load(stream)

print(data == data_loaded)

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