Brython Cannot read property '$nat' of undefined












0














A bug with python in browser. Could somebody suggest a workaround may be?
a bug could be easily reproduced in console brython.info:



Brython 3.7.0 on Netscape 5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

a=b'123'
b=b'1'
b in a


this is an error in js console:



js exc TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:7035 (2) [Array(5), Array(4)]0: (5) ["__main___myKeyPress_14", {…}, "__main__", {…}, ƒ]1: (4) ["$exec_1984", {…}, "$exec_1984", {…}]length: 2__proto__: Array(0)
brython.js:6983 no class TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:4922 Error
at Object._b_.AttributeError.$factory (eval at $make_exc (brython.js:7073), <anonymous>:31:340)
at BaseException.__getattr__ (brython.js:7009)
at __BRYTHON__.builtins.object.object.__getattribute__ (brython.js:4921)
at Object.$B.$getattr (brython.js:6283)
at Object.$B.$bool (brython.js:8997)
at Object.bool.$factory (brython.js:9022)
at Object.$B.$test_item (brython.js:5579)
at __init__194 (eval at run_py (brython.js:8050), <anonymous>:2038:78)
at factory (brython.js:5239)
at print_exception161 (eval at run_py (brython.js:8050), <anonymous>:329:138)
`









share|improve this question






















  • also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
    – Anatoly r
    Nov 12 '18 at 13:08


















0














A bug with python in browser. Could somebody suggest a workaround may be?
a bug could be easily reproduced in console brython.info:



Brython 3.7.0 on Netscape 5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

a=b'123'
b=b'1'
b in a


this is an error in js console:



js exc TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:7035 (2) [Array(5), Array(4)]0: (5) ["__main___myKeyPress_14", {…}, "__main__", {…}, ƒ]1: (4) ["$exec_1984", {…}, "$exec_1984", {…}]length: 2__proto__: Array(0)
brython.js:6983 no class TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:4922 Error
at Object._b_.AttributeError.$factory (eval at $make_exc (brython.js:7073), <anonymous>:31:340)
at BaseException.__getattr__ (brython.js:7009)
at __BRYTHON__.builtins.object.object.__getattribute__ (brython.js:4921)
at Object.$B.$getattr (brython.js:6283)
at Object.$B.$bool (brython.js:8997)
at Object.bool.$factory (brython.js:9022)
at Object.$B.$test_item (brython.js:5579)
at __init__194 (eval at run_py (brython.js:8050), <anonymous>:2038:78)
at factory (brython.js:5239)
at print_exception161 (eval at run_py (brython.js:8050), <anonymous>:329:138)
`









share|improve this question






















  • also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
    – Anatoly r
    Nov 12 '18 at 13:08
















0












0








0







A bug with python in browser. Could somebody suggest a workaround may be?
a bug could be easily reproduced in console brython.info:



Brython 3.7.0 on Netscape 5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

a=b'123'
b=b'1'
b in a


this is an error in js console:



js exc TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:7035 (2) [Array(5), Array(4)]0: (5) ["__main___myKeyPress_14", {…}, "__main__", {…}, ƒ]1: (4) ["$exec_1984", {…}, "$exec_1984", {…}]length: 2__proto__: Array(0)
brython.js:6983 no class TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:4922 Error
at Object._b_.AttributeError.$factory (eval at $make_exc (brython.js:7073), <anonymous>:31:340)
at BaseException.__getattr__ (brython.js:7009)
at __BRYTHON__.builtins.object.object.__getattribute__ (brython.js:4921)
at Object.$B.$getattr (brython.js:6283)
at Object.$B.$bool (brython.js:8997)
at Object.bool.$factory (brython.js:9022)
at Object.$B.$test_item (brython.js:5579)
at __init__194 (eval at run_py (brython.js:8050), <anonymous>:2038:78)
at factory (brython.js:5239)
at print_exception161 (eval at run_py (brython.js:8050), <anonymous>:329:138)
`









share|improve this question













A bug with python in browser. Could somebody suggest a workaround may be?
a bug could be easily reproduced in console brython.info:



Brython 3.7.0 on Netscape 5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

a=b'123'
b=b'1'
b in a


this is an error in js console:



js exc TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:7035 (2) [Array(5), Array(4)]0: (5) ["__main___myKeyPress_14", {…}, "__main__", {…}, ƒ]1: (4) ["$exec_1984", {…}, "$exec_1984", {…}]length: 2__proto__: Array(0)
brython.js:6983 no class TypeError: Cannot read property '$nat' of undefined
at check_no_kw (brython.js:5920)
at isinstance (brython.js:6356)
at Object.list.__eq__ (brython.js:9850)
at method (brython.js:6266)
at bytes.__eq__ (brython.js:7279)
at method (brython.js:4901)
at Object.int.__eq__ (brython.js:8722)
at method (brython.js:6266)
at Object.$B.rich_comp (brython.js:5884)
at Object.$B.$is_member (brython.js:5593)
brython.js:4922 Error
at Object._b_.AttributeError.$factory (eval at $make_exc (brython.js:7073), <anonymous>:31:340)
at BaseException.__getattr__ (brython.js:7009)
at __BRYTHON__.builtins.object.object.__getattribute__ (brython.js:4921)
at Object.$B.$getattr (brython.js:6283)
at Object.$B.$bool (brython.js:8997)
at Object.bool.$factory (brython.js:9022)
at Object.$B.$test_item (brython.js:5579)
at __init__194 (eval at run_py (brython.js:8050), <anonymous>:2038:78)
at factory (brython.js:5239)
at print_exception161 (eval at run_py (brython.js:8050), <anonymous>:329:138)
`






javascript python brython






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 12 '18 at 13:02









Anatoly rAnatoly r

11




11












  • also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
    – Anatoly r
    Nov 12 '18 at 13:08




















  • also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
    – Anatoly r
    Nov 12 '18 at 13:08


















also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
– Anatoly r
Nov 12 '18 at 13:08






also same error: >>> 'b' in 'b' True >>> b'b' in b'b' TypeError: Cannot read property '$nat'
– Anatoly r
Nov 12 '18 at 13:08














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