2026-07-06T12:20:34,328 Created temporary directory: /tmp/pip-ephem-wheel-cache-8897jsw9
2026-07-06T12:20:34,330 Created temporary directory: /tmp/pip-build-tracker-h1eo74yz
2026-07-06T12:20:34,330 Initialized build tracking at /tmp/pip-build-tracker-h1eo74yz
2026-07-06T12:20:34,331 Created build tracker: /tmp/pip-build-tracker-h1eo74yz
2026-07-06T12:20:34,331 Entered build tracker: /tmp/pip-build-tracker-h1eo74yz
2026-07-06T12:20:34,332 Created temporary directory: /tmp/pip-wheel-umti3h22
2026-07-06T12:20:34,335 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-07-06T12:20:34,337 Created temporary directory: /tmp/pip-ephem-wheel-cache-_5za9oxc
2026-07-06T12:20:34,358 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-07-06T12:20:34,362 2 location(s) to search for versions of cortexdbai:
2026-07-06T12:20:34,362 * https://pypi.org/simple/cortexdbai/
2026-07-06T12:20:34,362 * https://www.piwheels.org/simple/cortexdbai/
2026-07-06T12:20:34,363 Fetching project page and analyzing links: https://pypi.org/simple/cortexdbai/
2026-07-06T12:20:34,364 Getting page https://pypi.org/simple/cortexdbai/
2026-07-06T12:20:34,365 Found index url https://pypi.org/simple
2026-07-06T12:20:34,693 Fetched page https://pypi.org/simple/cortexdbai/ as application/vnd.pypi.simple.v1+json
2026-07-06T12:20:34,699   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/a1/36/74ab6bfc0cc34b0e5dfcbe26461f6c0a9cc37c4a81b995ecd237d65bb174/cortexdbai-0.2.0-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:34,700   Found link https://files.pythonhosted.org/packages/ba/d7/9d7350dc34744d747270d15876a08c870e463b8aec5849a07b4a732c03de/cortexdbai-0.2.0.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9), version: 0.2.0
2026-07-06T12:20:34,700   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/79/44/c6796c36297d7232dc836733bd2c9ca7591f0dc2e3ecb4194259ff910965/cortexdbai-0.2.1-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:34,702   Found link https://files.pythonhosted.org/packages/65/be/c85369f6076669f2500bb176a87e9075e9c2c377e7054f3926304a79f97f/cortexdbai-0.2.1.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9), version: 0.2.1
2026-07-06T12:20:34,702   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/e6/23/d67fac936e2a3b6b3c936bd951d1217ca656951e4908d9697ffd59859585/cortexdbai-0.2.2-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:34,703   Found link https://files.pythonhosted.org/packages/68/a7/8295af9be9c33f0000ab0f43ebce606ed7782e7f0e5febefbb8d4acbb1ec/cortexdbai-0.2.2.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9), version: 0.2.2
2026-07-06T12:20:34,704   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/b7/69/cc0aaf2536577988f9054ca0156bf96695a31b18fb4c26a13f8bffd87795/cortexdbai-0.2.3-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:34,705   Found link https://files.pythonhosted.org/packages/60/0f/2afa942dff85e6ff636663e56f6165ddefc035d82bb340b9a9cbada6730e/cortexdbai-0.2.3.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9), version: 0.2.3
2026-07-06T12:20:34,706   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/c5/84/5df51469535c7f9af77c5a1d1d0e07590bf201f8ca4be38f5dc8d256c2b7/cortexdbai-0.2.4-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:34,707   Found link https://files.pythonhosted.org/packages/9d/8c/eb06df51bc1d92cbe3f7a054cfc0364dba93c0e0c55ab17dc26e7e9b976a/cortexdbai-0.2.4.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.9), version: 0.2.4
2026-07-06T12:20:34,708   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/3a/3a/a5d31acdc313a18b08eca22fe82725bea6e261d24c79d037110b12697d94/cortexdbai-0.2.5-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,708   Found link https://files.pythonhosted.org/packages/08/80/16877efa6a8b8027b36144bdbb34a86cad04988eeaa1c742e989d1b3a62a/cortexdbai-0.2.5.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.2.5
2026-07-06T12:20:34,709   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/cd/b3/983a52542abfb62004d926d78b5a1e497fa74cac46de95b6caf6e37f13dc/cortexdbai-0.3.0-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,710   Found link https://files.pythonhosted.org/packages/a6/90/7d60beb7d2653569ccad9e69cbb2a2df70630e5ec4d3a752bee2fff7c1fd/cortexdbai-0.3.0.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.3.0
2026-07-06T12:20:34,710   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/7c/10/e8fdff6700f8edfeeeba91209c163373785418fd6e5da112834da3c3c9c3/cortexdbai-0.3.1-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,711   Found link https://files.pythonhosted.org/packages/0b/53/be4e24ac884fb223bb6309d37505d88f24f0043fbf5ea6d8932afa55dcfe/cortexdbai-0.3.1.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.3.1
2026-07-06T12:20:34,712   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/be/c3/ad7dea8768e95340bb49b592b1e202ca8a6589acba2ef0680fe30a5643a4/cortexdbai-0.3.2-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,713   Found link https://files.pythonhosted.org/packages/bb/55/5e003e1d7f4e73a4fa7e82f5b0ce8bcedef16aaec001b6d3c4b215b4545e/cortexdbai-0.3.2.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.3.2
2026-07-06T12:20:34,714   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/a8/5a/c99fb2b80cb6ae835b5182aeab316a5e2211373a4e9832017d1c523b79c7/cortexdbai-0.4.0-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,715   Found link https://files.pythonhosted.org/packages/20/b3/529e0f480cf7e6331f1c50a02c12eb74867dbb38c8d520e8535a3d5690b2/cortexdbai-0.4.0.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.4.0
2026-07-06T12:20:34,715   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/ef/44/e73a43cd7f35c915e1ccc7c6517cfffc45bc1ba33a487d4d1f6a60f02735/cortexdbai-0.4.1-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,716   Found link https://files.pythonhosted.org/packages/ef/e9/bba8297d496a9af361758671ecd78f442f690a72d433ebe2b26829584be5/cortexdbai-0.4.1.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.4.1
2026-07-06T12:20:34,717   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/ec/2f/991be79271ee623c151432d2c6a43629f2b9cf675f53ea2a2b14fa1719f9/cortexdbai-0.4.2-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,718   Found link https://files.pythonhosted.org/packages/22/4e/59dff230a019377de2eb2b141b12ccfe5ca990910aa937c34583488474f1/cortexdbai-0.4.2.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.4.2
2026-07-06T12:20:34,719   Skipping link: No binaries permitted for cortexdbai: https://files.pythonhosted.org/packages/9a/c2/a8dc7b401e7393533261f900a63dc221d30fda36aa5b6f626d80d345eddb/cortexdbai-0.4.3-py3-none-any.whl (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:34,720   Found link https://files.pythonhosted.org/packages/5f/65/ed95efea7be73c4d76b3b86092c1b5d0b5650f6331509b55e03a569fb267/cortexdbai-0.4.3.tar.gz (from https://pypi.org/simple/cortexdbai/) (requires-python:>=3.10), version: 0.4.3
2026-07-06T12:20:34,721 Fetching project page and analyzing links: https://www.piwheels.org/simple/cortexdbai/
2026-07-06T12:20:34,721 Getting page https://www.piwheels.org/simple/cortexdbai/
2026-07-06T12:20:34,722 Found index url https://www.piwheels.org/simple
2026-07-06T12:20:35,017 Fetched page https://www.piwheels.org/simple/cortexdbai/ as text/html
2026-07-06T12:20:35,022   Skipping link: No binaries permitted for cortexdbai: https://www.piwheels.org/simple/cortexdbai/cortexdbai-0.4.0-py3-none-any.whl#sha256=4c64bfa3f9bd5bd2d79b9e0fafb706f10b360a58f609ed8ed9a3c2b0c96f95ca (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:35,022   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.3.2-py3-none-any.whl#sha256=d8dd8dedae6af65459e0df266cf5a37a9981a9d2724acaa9d9b37f7c4b5ade3a (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:35,023   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.3.1-py3-none-any.whl#sha256=f6058059fb775aa2059dfb79114c69ff659e054fd0f47d6d04b964c070adab7a (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:35,023   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.3.0-py3-none-any.whl#sha256=b2fdfabba4ead7e9c2f8fd7692bb4b9341ee595f703be1401ee97d0128d628a3 (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:35,024   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.5-py3-none-any.whl#sha256=d3f1d5b4ee262bca85e89063c5cbae064a423a2c35fcb5f1ed9c2de64f2f79d6 (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.10)
2026-07-06T12:20:35,024   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.4-py3-none-any.whl#sha256=08185b78095bb76f184dfd296864fb4791b631b98869b9be2550696ee905c881 (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:35,025   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.3-py3-none-any.whl#sha256=3ebc05b53162c19e64adf72a8eb2e101b94057c0dd6d8d5b7d106e9c18454fb5 (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:35,025   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.2-py3-none-any.whl#sha256=b280469116f352e44c7fd3f4c72599b215c98eacd7cb7bd8cfd4b3daa3d05bda (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:35,026   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.1-py3-none-any.whl#sha256=a77b56310619444e9d86f8640fa44da903663dccbe622c47e15fe23ae0d9a900 (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:35,027   Skipping link: No binaries permitted for cortexdbai: https://archive1.piwheels.org/simple/cortexdbai/cortexdbai-0.2.0-py3-none-any.whl#sha256=c01b18adb4a8b3514f33b235a68ce89895ec808eac4e14ab4c193c44c475c6fc (from https://www.piwheels.org/simple/cortexdbai/) (requires-python:>=3.9)
2026-07-06T12:20:35,027 Skipping link: not a file: https://www.piwheels.org/simple/cortexdbai/
2026-07-06T12:20:35,028 Skipping link: not a file: https://pypi.org/simple/cortexdbai/
2026-07-06T12:20:35,050 Given no hashes to check 1 links for project 'cortexdbai': discarding no candidates
2026-07-06T12:20:35,069 Collecting cortexdbai==0.4.1
2026-07-06T12:20:35,071   Created temporary directory: /tmp/pip-unpack-mw5vkh09
2026-07-06T12:20:35,394   Downloading cortexdbai-0.4.1.tar.gz (60 kB)
2026-07-06T12:20:35,843   Added cortexdbai==0.4.1 from https://files.pythonhosted.org/packages/ef/e9/bba8297d496a9af361758671ecd78f442f690a72d433ebe2b26829584be5/cortexdbai-0.4.1.tar.gz to build tracker '/tmp/pip-build-tracker-h1eo74yz'
2026-07-06T12:20:35,849   Created temporary directory: /tmp/pip-build-env-x6q515_h
2026-07-06T12:20:35,853   Installing build dependencies: started
2026-07-06T12:20:35,854   Running command pip subprocess to install build dependencies
2026-07-06T12:20:37,133   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-07-06T12:20:37,607   DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-07-06T12:20:37,633   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-07-06T12:20:38,400   Collecting hatchling
2026-07-06T12:20:38,402     Obtaining dependency information for hatchling from https://www.piwheels.org/simple/hatchling/hatchling-1.30.1-py3-none-any.whl.metadata
2026-07-06T12:20:38,416     Using cached https://www.piwheels.org/simple/hatchling/hatchling-1.30.1-py3-none-any.whl.metadata (3.8 kB)
2026-07-06T12:20:38,610   Collecting packaging>=24.2
2026-07-06T12:20:38,611     Obtaining dependency information for packaging>=24.2 from https://www.piwheels.org/simple/packaging/packaging-26.2-py3-none-any.whl.metadata
2026-07-06T12:20:38,625     Using cached https://www.piwheels.org/simple/packaging/packaging-26.2-py3-none-any.whl.metadata (3.5 kB)
2026-07-06T12:20:38,749   Collecting pathspec>=0.10.1
2026-07-06T12:20:38,750     Obtaining dependency information for pathspec>=0.10.1 from https://www.piwheels.org/simple/pathspec/pathspec-1.1.1-py3-none-any.whl.metadata
2026-07-06T12:20:38,764     Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.1.1-py3-none-any.whl.metadata (14 kB)
2026-07-06T12:20:38,887   Collecting pluggy>=1.0.0
2026-07-06T12:20:38,888     Obtaining dependency information for pluggy>=1.0.0 from https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl.metadata
2026-07-06T12:20:38,902     Using cached https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl.metadata (4.8 kB)
2026-07-06T12:20:39,162   Collecting trove-classifiers
2026-07-06T12:20:39,163     Obtaining dependency information for trove-classifiers from https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.6.1.19-py3-none-any.whl.metadata
2026-07-06T12:20:39,176     Using cached https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.6.1.19-py3-none-any.whl.metadata (2.3 kB)
2026-07-06T12:20:39,242   Using cached https://www.piwheels.org/simple/hatchling/hatchling-1.30.1-py3-none-any.whl (77 kB)
2026-07-06T12:20:39,262   Using cached https://www.piwheels.org/simple/packaging/packaging-26.2-py3-none-any.whl (100 kB)
2026-07-06T12:20:39,280   Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.1.1-py3-none-any.whl (57 kB)
2026-07-06T12:20:39,297   Using cached https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl (20 kB)
2026-07-06T12:20:39,312   Using cached https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.6.1.19-py3-none-any.whl (14 kB)
2026-07-06T12:20:39,330   Using cached https://www.piwheels.org/simple/hatchling/hatchling-1.30.1-py3-none-any.whl (77 kB)
2026-07-06T12:20:39,359   Using cached https://www.piwheels.org/simple/packaging/packaging-26.2-py3-none-any.whl (100 kB)
2026-07-06T12:20:39,384   Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.1.1-py3-none-any.whl (57 kB)
2026-07-06T12:20:39,406   Using cached https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl (20 kB)
2026-07-06T12:20:39,427   Using cached https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.6.1.19-py3-none-any.whl (14 kB)
2026-07-06T12:20:41,981   Installing collected packages: trove-classifiers, pluggy, pathspec, packaging, hatchling
2026-07-06T12:20:42,016     Creating /tmp/pip-build-env-x6q515_h/overlay/local/bin
2026-07-06T12:20:42,018     changing mode of /tmp/pip-build-env-x6q515_h/overlay/local/bin/trove-classifiers to 755
2026-07-06T12:20:43,017     changing mode of /tmp/pip-build-env-x6q515_h/overlay/local/bin/hatchling to 755
2026-07-06T12:20:43,055   Successfully installed hatchling-1.30.1 packaging-26.2 pathspec-1.1.1 pluggy-1.6.0 trove-classifiers-2026.6.1.19
2026-07-06T12:20:43,315   Installing build dependencies: finished with status 'done'
2026-07-06T12:20:43,322   Getting requirements to build wheel: started
2026-07-06T12:20:43,323   Running command Getting requirements to build wheel
2026-07-06T12:20:43,675   Getting requirements to build wheel: finished with status 'done'
2026-07-06T12:20:43,678   Created temporary directory: /tmp/pip-modern-metadata-l41yx_xs
2026-07-06T12:20:43,680   Preparing metadata (pyproject.toml): started
2026-07-06T12:20:43,681   Running command Preparing metadata (pyproject.toml)
2026-07-06T12:20:44,364   Preparing metadata (pyproject.toml): finished with status 'done'
2026-07-06T12:20:44,369   Source in /tmp/pip-wheel-umti3h22/cortexdbai_b2f2dd93ed20497fa3e15d9db6458ab1 has version 0.4.1, which satisfies requirement cortexdbai==0.4.1 from https://files.pythonhosted.org/packages/ef/e9/bba8297d496a9af361758671ecd78f442f690a72d433ebe2b26829584be5/cortexdbai-0.4.1.tar.gz
2026-07-06T12:20:44,370   Removed cortexdbai==0.4.1 from https://files.pythonhosted.org/packages/ef/e9/bba8297d496a9af361758671ecd78f442f690a72d433ebe2b26829584be5/cortexdbai-0.4.1.tar.gz from build tracker '/tmp/pip-build-tracker-h1eo74yz'
2026-07-06T12:20:44,377 Created temporary directory: /tmp/pip-unpack-2cadqkvy
2026-07-06T12:20:44,378 Building wheels for collected packages: cortexdbai
2026-07-06T12:20:44,382   Created temporary directory: /tmp/pip-wheel-12jpe6i5
2026-07-06T12:20:44,383   Destination directory: /tmp/pip-wheel-12jpe6i5
2026-07-06T12:20:44,385   Building wheel for cortexdbai (pyproject.toml): started
2026-07-06T12:20:44,386   Running command Building wheel for cortexdbai (pyproject.toml)
2026-07-06T12:20:44,517   Building wheel for cortexdbai (pyproject.toml): finished with status 'done'
2026-07-06T12:20:44,522   Created wheel for cortexdbai: filename=cortexdbai-0.4.1-py3-none-any.whl size=101848 sha256=0865a45b55d7e2716b29e412c8b542d1f1af09903dccb2fec142255c49ca08b3
2026-07-06T12:20:44,524   Stored in directory: /tmp/pip-ephem-wheel-cache-_5za9oxc/wheels/55/01/ad/8aacf6b3dfa5849b1825a7fb9c05b9445be1ee7f32a2e5feb5
2026-07-06T12:20:44,539 Successfully built cortexdbai
2026-07-06T12:20:44,544 Removed build tracker: '/tmp/pip-build-tracker-h1eo74yz'