fix: pytesseract>=0.3.12 installation error while installing pdf extra (#3522)

Closes #3521.

This PR resolves an installation error with `pytesseract>=0.3.12` that
occurred during `pip install unstructured[pdf]==0.15.3`.

### Testing
**Run following command in main branch and this PR**
```
pip uninstall -y pytesseract && pip install ".[pdf]"
```
**Results**
- `main` branch
```
INFO: pip is looking at multiple versions of unstructured[pdf] to determine which version is compatible with other requirements. This could take a while.
ERROR: Could not find a version that satisfies the requirement pytesseract>=0.3.12; extra == "pdf" (from unstructured[pdf]) (from versions: 0.1, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.2.0, 0.2.2, 0.2.4, 0.2.5, 0.2.6, 0.2.7, 0.2.8, 0.2.9, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5, 0.3.6, 0.3.7, 0.3.8, 0.3.9, 0.3.10)
ERROR: No matching distribution found for pytesseract>=0.3.12; extra == "pdf"
```
- this `PR`

`pytesseract-0.3.13` should be installed successfully.

Author: christinestraub

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 0.15.4
+
+### Enhancements
+
+### Features
+
+### Fixes
+
+* **Resolve an installation error with `pytesseract>=0.3.12` that occurred during `pip install unstructured[pdf]==0.15.3`.**  
+
 ## 0.15.3
 
 ### Enhancements

requirements/deps/constraints.txt

@@ -22,8 +22,7 @@ Office365-REST-Python-Client<2.4.3
 # unstructured-inference to be upgraded when unstructured library is upgraded
 # https://github.com/Unstructured-IO/unstructured/issues/1458
 # unstructured-inference
-# use the known compatible version of weaviate and pytesseract
-pytesseract @ git+https://github.com/madmaze/[email protected]
+# use the known compatible version of weaviate
 weaviate-client>3.25.0
 # TODO: Pinned in transformers package, remove when that gets updated
 tokenizers>=0.19,<0.20

requirements/extra-pdf-image.in

@@ -12,4 +12,6 @@ effdet
 # Do not move to constraints.in, otherwise unstructured-inference will not be upgraded
 # when unstructured library is.
 unstructured-inference==0.7.36
-pytesseract>=0.3.12
+# NOTE(christine): Pinned to a specific version of pytesseract from the GitHub repository.
+# Remove this pin and switch to the latest version from PyPI once version 0.3.13 or newer is officially released.
+pytesseract @ git+https://github.com/madmaze/[email protected]

requirements/extra-pdf-image.txt

@@ -202,9 +202,7 @@ pypdf==4.3.1
 pypdfium2==4.30.0
     # via pdfplumber
 pytesseract @ git+https://github.com/madmaze/[email protected]
-    # via
-    #   -c ././deps/constraints.txt
-    #   -r ./extra-pdf-image.in
+    # via -r ./extra-pdf-image.in
 python-dateutil==2.9.0.post0
     # via
     #   -c ./base.txt

unstructured/__version__.py

@@ -1 +1 @@
-__version__ = "0.15.3"  # pragma: no cover
+__version__ = "0.15.4"  # pragma: no cover