Guard against calling optional ftfy module if not available

src/diffusers/modular_pipelines/flux/encoders.py

@@ -36,7 +36,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/modular_pipelines/helios/encoders.py

@@ -36,7 +36,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/modular_pipelines/wan/encoders.py

@@ -42,7 +42,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/chronoedit/pipeline_chronoedit.py

@@ -95,7 +95,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/helios/pipeline_helios.py

@@ -75,7 +75,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/helios/pipeline_helios_pyramid.py

@@ -88,7 +88,8 @@ def optimized_scale(positive_flat, negative_flat):
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/lucy/pipeline_lucy_edit.py

@@ -101,7 +101,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/skyreels_v2/pipeline_skyreels_v2.py

@@ -88,7 +88,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/skyreels_v2/pipeline_skyreels_v2_diffusion_forcing.py

@@ -95,7 +95,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/skyreels_v2/pipeline_skyreels_v2_diffusion_forcing_i2v.py

@@ -100,7 +100,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/skyreels_v2/pipeline_skyreels_v2_diffusion_forcing_v2v.py

@@ -96,7 +96,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/skyreels_v2/pipeline_skyreels_v2_i2v.py

@@ -94,7 +94,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/wan/pipeline_wan_animate.py

@@ -117,7 +117,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/wan/pipeline_wan_i2v.py

@@ -94,7 +94,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/wan/pipeline_wan_vace.py

@@ -108,7 +108,8 @@ def prepare_video_and_mask(first_img: PIL.Image.Image, last_img: PIL.Image.Image
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()
 

src/diffusers/pipelines/wan/pipeline_wan_video2video.py

@@ -81,7 +81,8 @@
 
 
 def basic_clean(text):
-    text = ftfy.fix_text(text)
+    if is_ftfy_available():
+        text = ftfy.fix_text(text)
     text = html.unescape(html.unescape(text))
     return text.strip()